71707720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{8831}}^1$

素因数の和:8878

約数の個数: 64

約数和(自身を含む): 190771200

約数和(自身を除く): 119063480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 4060, 8120, 8831, 17662, 35324, 44155, 61817, 70648, 88310, 123634, 176620, 247268, 256099, 309085, 353240, 494536, 512198, 618170, 1024396, 1236340, 1280495, 1792693, 2048792, 2472680, 2560990, 3585386, 5121980, 7170772, 8963465, 10243960, 14341544, 17926930, 35853860, 71707720]

約数ペア:

[(1, 71707720), (2, 35853860), (4, 17926930), (5, 14341544), (7, 10243960), (8, 8963465), (10, 7170772), (14, 5121980), (20, 3585386), (28, 2560990), (29, 2472680), (35, 2048792), (40, 1792693), (56, 1280495), (58, 1236340), (70, 1024396), (116, 618170), (140, 512198), (145, 494536), (203, 353240), (232, 309085), (280, 256099), (290, 247268), (406, 176620), (580, 123634), (812, 88310), (1015, 70648), (1160, 61817), (1624, 44155), (2030, 35324), (4060, 17662), (8120, 8831)]