128520453615

素因数分解:

$3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{523}}^1\times {\mathrm{1583}}^1$

素因数の和:2324

約数の個数: 64

約数和(自身を含む): 210359255040

約数和(自身を除く): 81838801425

約数列:

[1, 3, 5, 15, 79, 131, 237, 393, 395, 523, 655, 1185, 1569, 1583, 1965, 2615, 4749, 7845, 7915, 10349, 23745, 31047, 41317, 51745, 68513, 123951, 125057, 155235, 205539, 206585, 207373, 342565, 375171, 619755, 622119, 625285, 827909, 1027695, 1036865, 1875855, 2483727, 3110595, 4139545, 5412527, 12418635, 16237581, 16382467, 27062635, 49147401, 65404811, 81187905, 81912335, 108456079, 196214433, 245737005, 325368237, 327024055, 542280395, 981072165, 1626841185, 8568030241, 25704090723, 42840151205, 128520453615]

約数ペア:

[(1, 128520453615), (3, 42840151205), (5, 25704090723), (15, 8568030241), (79, 1626841185), (131, 981072165), (237, 542280395), (393, 327024055), (395, 325368237), (523, 245737005), (655, 196214433), (1185, 108456079), (1569, 81912335), (1583, 81187905), (1965, 65404811), (2615, 49147401), (4749, 27062635), (7845, 16382467), (7915, 16237581), (10349, 12418635), (23745, 5412527), (31047, 4139545), (41317, 3110595), (51745, 2483727), (68513, 1875855), (123951, 1036865), (125057, 1027695), (155235, 827909), (205539, 625285), (206585, 622119), (207373, 619755), (342565, 375171)]