75322480

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:322

約数の個数: 80

約数和(自身を含む): 180792000

約数和(自身を除く): 105469520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 89, 142, 149, 178, 284, 298, 355, 356, 445, 568, 596, 710, 712, 745, 890, 1136, 1192, 1420, 1424, 1490, 1780, 2384, 2840, 2980, 3560, 5680, 5960, 6319, 7120, 10579, 11920, 12638, 13261, 21158, 25276, 26522, 31595, 42316, 50552, 52895, 53044, 63190, 66305, 84632, 101104, 105790, 106088, 126380, 132610, 169264, 211580, 212176, 252760, 265220, 423160, 505520, 530440, 846320, 941531, 1060880, 1883062, 3766124, 4707655, 7532248, 9415310, 15064496, 18830620, 37661240, 75322480]

約数ペア:

[(1, 75322480), (2, 37661240), (4, 18830620), (5, 15064496), (8, 9415310), (10, 7532248), (16, 4707655), (20, 3766124), (40, 1883062), (71, 1060880), (80, 941531), (89, 846320), (142, 530440), (149, 505520), (178, 423160), (284, 265220), (298, 252760), (355, 212176), (356, 211580), (445, 169264), (568, 132610), (596, 126380), (710, 106088), (712, 105790), (745, 101104), (890, 84632), (1136, 66305), (1192, 63190), (1420, 53044), (1424, 52895), (1490, 50552), (1780, 42316), (2384, 31595), (2840, 26522), (2980, 25276), (3560, 21158), (5680, 13261), (5960, 12638), (6319, 11920), (7120, 10579)]