19813200

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:130

約数の個数: 240

約数和(自身を含む): 73804800

約数和(自身を除く): 53991600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 19, 20, 22, 24, 25, 30, 33, 38, 40, 44, 48, 50, 55, 57, 60, 66, 75, 76, 79, 80, 88, 95, 100, 110, 114, 120, 132, 150, 152, 158, 165, 176, 190, 200, 209, 220, 228, 237, 240, 264, 275, 285, 300, 304, 316, 330, 380, 395, 400, 418, 440, 456, 474, 475, 528, 550, 570, 600, 627, 632, 660, 760, 790, 825, 836, 869, 880, 912, 948, 950, 1045, 1100, 1140, 1185, 1200, 1254, 1264, 1320, 1425, 1501, 1520, 1580, 1650, 1672, 1738, 1896, 1900, 1975, 2090, 2200, 2280, 2370, 2508, 2607, 2640, 2850, 3002, 3135, 3160, 3300, 3344, 3476, 3792, 3800, 3950, 4180, 4345, 4400, 4503, 4560, 4740, 5016, 5214, 5225, 5700, 5925, 6004, 6270, 6320, 6600, 6952, 7505, 7600, 7900, 8360, 8690, 9006, 9480, 10032, 10428, 10450, 11400, 11850, 12008, 12540, 13035, 13200, 13904, 15010, 15675, 15800, 16511, 16720, 17380, 18012, 18960, 20856, 20900, 21725, 22515, 22800, 23700, 24016, 25080, 26070, 30020, 31350, 31600, 33022, 34760, 36024, 37525, 41712, 41800, 43450, 45030, 47400, 49533, 50160, 52140, 60040, 62700, 65175, 66044, 69520, 72048, 75050, 82555, 83600, 86900, 90060, 94800, 99066, 104280, 112575, 120080, 125400, 130350, 132088, 150100, 165110, 173800, 180120, 198132, 208560, 225150, 247665, 250800, 260700, 264176, 300200, 330220, 347600, 360240, 396264, 412775, 450300, 495330, 521400, 600400, 660440, 792528, 825550, 900600, 990660, 1042800, 1238325, 1320880, 1651100, 1801200, 1981320, 2476650, 3302200, 3962640, 4953300, 6604400, 9906600, 19813200]

約数ペア:

[(1, 19813200), (2, 9906600), (3, 6604400), (4, 4953300), (5, 3962640), (6, 3302200), (8, 2476650), (10, 1981320), (11, 1801200), (12, 1651100), (15, 1320880), (16, 1238325), (19, 1042800), (20, 990660), (22, 900600), (24, 825550), (25, 792528), (30, 660440), (33, 600400), (38, 521400), (40, 495330), (44, 450300), (48, 412775), (50, 396264), (55, 360240), (57, 347600), (60, 330220), (66, 300200), (75, 264176), (76, 260700), (79, 250800), (80, 247665), (88, 225150), (95, 208560), (100, 198132), (110, 180120), (114, 173800), (120, 165110), (132, 150100), (150, 132088), (152, 130350), (158, 125400), (165, 120080), (176, 112575), (190, 104280), (200, 99066), (209, 94800), (220, 90060), (228, 86900), (237, 83600), (240, 82555), (264, 75050), (275, 72048), (285, 69520), (300, 66044), (304, 65175), (316, 62700), (330, 60040), (380, 52140), (395, 50160), (400, 49533), (418, 47400), (440, 45030), (456, 43450), (474, 41800), (475, 41712), (528, 37525), (550, 36024), (570, 34760), (600, 33022), (627, 31600), (632, 31350), (660, 30020), (760, 26070), (790, 25080), (825, 24016), (836, 23700), (869, 22800), (880, 22515), (912, 21725), (948, 20900), (950, 20856), (1045, 18960), (1100, 18012), (1140, 17380), (1185, 16720), (1200, 16511), (1254, 15800), (1264, 15675), (1320, 15010), (1425, 13904), (1501, 13200), (1520, 13035), (1580, 12540), (1650, 12008), (1672, 11850), (1738, 11400), (1896, 10450), (1900, 10428), (1975, 10032), (2090, 9480), (2200, 9006), (2280, 8690), (2370, 8360), (2508, 7900), (2607, 7600), (2640, 7505), (2850, 6952), (3002, 6600), (3135, 6320), (3160, 6270), (3300, 6004), (3344, 5925), (3476, 5700), (3792, 5225), (3800, 5214), (3950, 5016), (4180, 4740), (4345, 4560), (4400, 4503)]