72399880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:507

約数の個数: 128

約数和(自身を含む): 202752000

約数和(自身を除く): 130352120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 31, 35, 38, 40, 56, 62, 70, 76, 95, 124, 133, 140, 152, 155, 190, 217, 248, 266, 280, 310, 380, 434, 439, 532, 589, 620, 665, 760, 868, 878, 1064, 1085, 1178, 1240, 1330, 1736, 1756, 2170, 2195, 2356, 2660, 2945, 3073, 3512, 4123, 4340, 4390, 4712, 5320, 5890, 6146, 8246, 8341, 8680, 8780, 11780, 12292, 13609, 15365, 16492, 16682, 17560, 20615, 23560, 24584, 27218, 30730, 32984, 33364, 41230, 41705, 54436, 58387, 61460, 66728, 68045, 82460, 83410, 95263, 108872, 116774, 122920, 136090, 164920, 166820, 190526, 233548, 258571, 272180, 291935, 333640, 381052, 467096, 476315, 517142, 544360, 583870, 762104, 952630, 1034284, 1167740, 1292855, 1809997, 1905260, 2068568, 2335480, 2585710, 3619994, 3810520, 5171420, 7239988, 9049985, 10342840, 14479976, 18099970, 36199940, 72399880]

約数ペア:

[(1, 72399880), (2, 36199940), (4, 18099970), (5, 14479976), (7, 10342840), (8, 9049985), (10, 7239988), (14, 5171420), (19, 3810520), (20, 3619994), (28, 2585710), (31, 2335480), (35, 2068568), (38, 1905260), (40, 1809997), (56, 1292855), (62, 1167740), (70, 1034284), (76, 952630), (95, 762104), (124, 583870), (133, 544360), (140, 517142), (152, 476315), (155, 467096), (190, 381052), (217, 333640), (248, 291935), (266, 272180), (280, 258571), (310, 233548), (380, 190526), (434, 166820), (439, 164920), (532, 136090), (589, 122920), (620, 116774), (665, 108872), (760, 95263), (868, 83410), (878, 82460), (1064, 68045), (1085, 66728), (1178, 61460), (1240, 58387), (1330, 54436), (1736, 41705), (1756, 41230), (2170, 33364), (2195, 32984), (2356, 30730), (2660, 27218), (2945, 24584), (3073, 23560), (3512, 20615), (4123, 17560), (4340, 16682), (4390, 16492), (4712, 15365), (5320, 13609), (5890, 12292), (6146, 11780), (8246, 8780), (8341, 8680)]