204676680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131203}}^1$

素因数の和:131230

約数の個数: 64

約数和(自身を含む): 661268160

約数和(自身を除く): 456591480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 131203, 262406, 393609, 524812, 656015, 787218, 1049624, 1312030, 1574436, 1705639, 1968045, 2624060, 3148872, 3411278, 3936090, 5116917, 5248120, 6822556, 7872180, 8528195, 10233834, 13645112, 15744360, 17056390, 20467668, 25584585, 34112780, 40935336, 51169170, 68225560, 102338340, 204676680]

約数ペア:

[(1, 204676680), (2, 102338340), (3, 68225560), (4, 51169170), (5, 40935336), (6, 34112780), (8, 25584585), (10, 20467668), (12, 17056390), (13, 15744360), (15, 13645112), (20, 10233834), (24, 8528195), (26, 7872180), (30, 6822556), (39, 5248120), (40, 5116917), (52, 3936090), (60, 3411278), (65, 3148872), (78, 2624060), (104, 1968045), (120, 1705639), (130, 1574436), (156, 1312030), (195, 1049624), (260, 787218), (312, 656015), (390, 524812), (520, 393609), (780, 262406), (1560, 131203)]