20408933600

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{3299}}^1$

素因数の和:3386

約数の個数: 288

約数和(自身を含む): 58777488000

約数和(自身を除く): 38368554400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 25, 32, 37, 38, 40, 44, 50, 55, 74, 76, 80, 88, 95, 100, 110, 148, 152, 160, 176, 185, 190, 200, 209, 220, 275, 296, 304, 352, 370, 380, 400, 407, 418, 440, 475, 550, 592, 608, 703, 740, 760, 800, 814, 836, 880, 925, 950, 1045, 1100, 1184, 1406, 1480, 1520, 1628, 1672, 1760, 1850, 1900, 2035, 2090, 2200, 2812, 2960, 3040, 3256, 3299, 3344, 3515, 3700, 3800, 4070, 4180, 4400, 5225, 5624, 5920, 6512, 6598, 6688, 7030, 7400, 7600, 7733, 8140, 8360, 8800, 10175, 10450, 11248, 13024, 13196, 14060, 14800, 15200, 15466, 16280, 16495, 16720, 17575, 20350, 20900, 22496, 26392, 28120, 29600, 30932, 32560, 32990, 33440, 35150, 36289, 38665, 40700, 41800, 52784, 56240, 61864, 62681, 65120, 65980, 70300, 72578, 77330, 81400, 82475, 83600, 105568, 112480, 122063, 123728, 125362, 131960, 140600, 145156, 154660, 162800, 164950, 167200, 181445, 193325, 244126, 247456, 250724, 263920, 281200, 290312, 309320, 313405, 325600, 329900, 362890, 386650, 488252, 501448, 527840, 562400, 580624, 610315, 618640, 626810, 659800, 689491, 725780, 773300, 907225, 976504, 1002896, 1161248, 1220630, 1237280, 1253620, 1319600, 1342693, 1378982, 1451560, 1546600, 1567025, 1814450, 1953008, 2005792, 2319197, 2441260, 2507240, 2639200, 2685386, 2757964, 2903120, 3051575, 3093200, 3134050, 3447455, 3628900, 3906016, 4638394, 4882520, 5014480, 5370772, 5515928, 5806240, 6103150, 6186400, 6268100, 6713465, 6894910, 7257800, 9276788, 9765040, 10028960, 10741544, 11031856, 11595985, 12206300, 12536200, 13426930, 13789820, 14515600, 17237275, 18553576, 19530080, 21483088, 22063712, 23191970, 24412600, 25072400, 25511167, 26853860, 27579640, 29031200, 33567325, 34474550, 37107152, 42966176, 46383940, 48825200, 50144800, 51022334, 53707720, 55159280, 57979925, 67134650, 68949100, 74214304, 92767880, 97650400, 102044668, 107415440, 110318560, 115959850, 127555835, 134269300, 137898200, 185535760, 204089336, 214830880, 231919700, 255111670, 268538600, 275796400, 371071520, 408178672, 463839400, 510223340, 537077200, 551592800, 637779175, 816357344, 927678800, 1020446680, 1074154400, 1275558350, 1855357600, 2040893360, 2551116700, 4081786720, 5102233400, 10204466800, 20408933600]

約数ペア:

[(1, 20408933600), (2, 10204466800), (4, 5102233400), (5, 4081786720), (8, 2551116700), (10, 2040893360), (11, 1855357600), (16, 1275558350), (19, 1074154400), (20, 1020446680), (22, 927678800), (25, 816357344), (32, 637779175), (37, 551592800), (38, 537077200), (40, 510223340), (44, 463839400), (50, 408178672), (55, 371071520), (74, 275796400), (76, 268538600), (80, 255111670), (88, 231919700), (95, 214830880), (100, 204089336), (110, 185535760), (148, 137898200), (152, 134269300), (160, 127555835), (176, 115959850), (185, 110318560), (190, 107415440), (200, 102044668), (209, 97650400), (220, 92767880), (275, 74214304), (296, 68949100), (304, 67134650), (352, 57979925), (370, 55159280), (380, 53707720), (400, 51022334), (407, 50144800), (418, 48825200), (440, 46383940), (475, 42966176), (550, 37107152), (592, 34474550), (608, 33567325), (703, 29031200), (740, 27579640), (760, 26853860), (800, 25511167), (814, 25072400), (836, 24412600), (880, 23191970), (925, 22063712), (950, 21483088), (1045, 19530080), (1100, 18553576), (1184, 17237275), (1406, 14515600), (1480, 13789820), (1520, 13426930), (1628, 12536200), (1672, 12206300), (1760, 11595985), (1850, 11031856), (1900, 10741544), (2035, 10028960), (2090, 9765040), (2200, 9276788), (2812, 7257800), (2960, 6894910), (3040, 6713465), (3256, 6268100), (3299, 6186400), (3344, 6103150), (3515, 5806240), (3700, 5515928), (3800, 5370772), (4070, 5014480), (4180, 4882520), (4400, 4638394), (5225, 3906016), (5624, 3628900), (5920, 3447455), (6512, 3134050), (6598, 3093200), (6688, 3051575), (7030, 2903120), (7400, 2757964), (7600, 2685386), (7733, 2639200), (8140, 2507240), (8360, 2441260), (8800, 2319197), (10175, 2005792), (10450, 1953008), (11248, 1814450), (13024, 1567025), (13196, 1546600), (14060, 1451560), (14800, 1378982), (15200, 1342693), (15466, 1319600), (16280, 1253620), (16495, 1237280), (16720, 1220630), (17575, 1161248), (20350, 1002896), (20900, 976504), (22496, 907225), (26392, 773300), (28120, 725780), (29600, 689491), (30932, 659800), (32560, 626810), (32990, 618640), (33440, 610315), (35150, 580624), (36289, 562400), (38665, 527840), (40700, 501448), (41800, 488252), (52784, 386650), (56240, 362890), (61864, 329900), (62681, 325600), (65120, 313405), (65980, 309320), (70300, 290312), (72578, 281200), (77330, 263920), (81400, 250724), (82475, 247456), (83600, 244126), (105568, 193325), (112480, 181445), (122063, 167200), (123728, 164950), (125362, 162800), (131960, 154660), (140600, 145156)]