28789680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{863}}^1$

素因数の和:1018

約数の個数: 80

約数和(自身を含む): 89994240

約数和(自身を除く): 61204560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 139, 240, 278, 417, 556, 695, 834, 863, 1112, 1390, 1668, 1726, 2085, 2224, 2589, 2780, 3336, 3452, 4170, 4315, 5178, 5560, 6672, 6904, 8340, 8630, 10356, 11120, 12945, 13808, 16680, 17260, 20712, 25890, 33360, 34520, 41424, 51780, 69040, 103560, 119957, 207120, 239914, 359871, 479828, 599785, 719742, 959656, 1199570, 1439484, 1799355, 1919312, 2399140, 2878968, 3598710, 4798280, 5757936, 7197420, 9596560, 14394840, 28789680]

約数ペア:

[(1, 28789680), (2, 14394840), (3, 9596560), (4, 7197420), (5, 5757936), (6, 4798280), (8, 3598710), (10, 2878968), (12, 2399140), (15, 1919312), (16, 1799355), (20, 1439484), (24, 1199570), (30, 959656), (40, 719742), (48, 599785), (60, 479828), (80, 359871), (120, 239914), (139, 207120), (240, 119957), (278, 103560), (417, 69040), (556, 51780), (695, 41424), (834, 34520), (863, 33360), (1112, 25890), (1390, 20712), (1668, 17260), (1726, 16680), (2085, 13808), (2224, 12945), (2589, 11120), (2780, 10356), (3336, 8630), (3452, 8340), (4170, 6904), (4315, 6672), (5178, 5560)]