19677840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:106

約数の個数: 320

約数和(自身を含む): 80994816

約数和(自身を除く): 61316976

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 17, 20, 21, 24, 26, 28, 30, 34, 35, 39, 40, 42, 48, 51, 52, 53, 56, 60, 65, 68, 70, 78, 80, 84, 85, 91, 102, 104, 105, 106, 112, 119, 120, 130, 136, 140, 156, 159, 168, 170, 182, 195, 204, 208, 210, 212, 221, 238, 240, 255, 260, 265, 272, 273, 280, 312, 318, 336, 340, 357, 364, 371, 390, 408, 420, 424, 442, 455, 476, 510, 520, 530, 546, 560, 595, 624, 636, 663, 680, 689, 714, 728, 742, 780, 795, 816, 840, 848, 884, 901, 910, 952, 1020, 1040, 1060, 1092, 1105, 1113, 1190, 1272, 1326, 1360, 1365, 1378, 1428, 1456, 1484, 1547, 1560, 1590, 1680, 1768, 1785, 1802, 1820, 1855, 1904, 2040, 2067, 2120, 2184, 2210, 2226, 2380, 2544, 2652, 2703, 2730, 2756, 2856, 2968, 3094, 3120, 3180, 3315, 3445, 3536, 3570, 3604, 3640, 3710, 4080, 4134, 4240, 4368, 4420, 4452, 4505, 4641, 4760, 4823, 5304, 5406, 5460, 5512, 5565, 5712, 5936, 6188, 6307, 6360, 6630, 6890, 7140, 7208, 7280, 7420, 7735, 8268, 8840, 8904, 9010, 9282, 9520, 9646, 10335, 10608, 10812, 10920, 11024, 11130, 11713, 12376, 12614, 12720, 13260, 13515, 13780, 14280, 14416, 14469, 14840, 15470, 16536, 17680, 17808, 18020, 18564, 18921, 19292, 20670, 21624, 21840, 22260, 23205, 23426, 24115, 24752, 25228, 26520, 27030, 27560, 28560, 28938, 29680, 30940, 31535, 33072, 35139, 36040, 37128, 37842, 38584, 41340, 43248, 44520, 46410, 46852, 48230, 50456, 53040, 54060, 55120, 57876, 58565, 61880, 63070, 70278, 72080, 72345, 74256, 75684, 77168, 81991, 82680, 89040, 92820, 93704, 94605, 96460, 100912, 108120, 115752, 117130, 123760, 126140, 140556, 144690, 151368, 163982, 165360, 175695, 185640, 187408, 189210, 192920, 216240, 231504, 234260, 245973, 252280, 281112, 289380, 302736, 327964, 351390, 371280, 378420, 385840, 409955, 468520, 491946, 504560, 562224, 578760, 655928, 702780, 756840, 819910, 937040, 983892, 1157520, 1229865, 1311856, 1405560, 1513680, 1639820, 1967784, 2459730, 2811120, 3279640, 3935568, 4919460, 6559280, 9838920, 19677840]

約数ペア:

[(1, 19677840), (2, 9838920), (3, 6559280), (4, 4919460), (5, 3935568), (6, 3279640), (7, 2811120), (8, 2459730), (10, 1967784), (12, 1639820), (13, 1513680), (14, 1405560), (15, 1311856), (16, 1229865), (17, 1157520), (20, 983892), (21, 937040), (24, 819910), (26, 756840), (28, 702780), (30, 655928), (34, 578760), (35, 562224), (39, 504560), (40, 491946), (42, 468520), (48, 409955), (51, 385840), (52, 378420), (53, 371280), (56, 351390), (60, 327964), (65, 302736), (68, 289380), (70, 281112), (78, 252280), (80, 245973), (84, 234260), (85, 231504), (91, 216240), (102, 192920), (104, 189210), (105, 187408), (106, 185640), (112, 175695), (119, 165360), (120, 163982), (130, 151368), (136, 144690), (140, 140556), (156, 126140), (159, 123760), (168, 117130), (170, 115752), (182, 108120), (195, 100912), (204, 96460), (208, 94605), (210, 93704), (212, 92820), (221, 89040), (238, 82680), (240, 81991), (255, 77168), (260, 75684), (265, 74256), (272, 72345), (273, 72080), (280, 70278), (312, 63070), (318, 61880), (336, 58565), (340, 57876), (357, 55120), (364, 54060), (371, 53040), (390, 50456), (408, 48230), (420, 46852), (424, 46410), (442, 44520), (455, 43248), (476, 41340), (510, 38584), (520, 37842), (530, 37128), (546, 36040), (560, 35139), (595, 33072), (624, 31535), (636, 30940), (663, 29680), (680, 28938), (689, 28560), (714, 27560), (728, 27030), (742, 26520), (780, 25228), (795, 24752), (816, 24115), (840, 23426), (848, 23205), (884, 22260), (901, 21840), (910, 21624), (952, 20670), (1020, 19292), (1040, 18921), (1060, 18564), (1092, 18020), (1105, 17808), (1113, 17680), (1190, 16536), (1272, 15470), (1326, 14840), (1360, 14469), (1365, 14416), (1378, 14280), (1428, 13780), (1456, 13515), (1484, 13260), (1547, 12720), (1560, 12614), (1590, 12376), (1680, 11713), (1768, 11130), (1785, 11024), (1802, 10920), (1820, 10812), (1855, 10608), (1904, 10335), (2040, 9646), (2067, 9520), (2120, 9282), (2184, 9010), (2210, 8904), (2226, 8840), (2380, 8268), (2544, 7735), (2652, 7420), (2703, 7280), (2730, 7208), (2756, 7140), (2856, 6890), (2968, 6630), (3094, 6360), (3120, 6307), (3180, 6188), (3315, 5936), (3445, 5712), (3536, 5565), (3570, 5512), (3604, 5460), (3640, 5406), (3710, 5304), (4080, 4823), (4134, 4760), (4240, 4641), (4368, 4505), (4420, 4452)]