128681940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{35159}}^1$

素因数の和:35232

約数の個数: 48

約数和(自身を含む): 366226560

約数和(自身を除く): 237544620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 35159, 70318, 105477, 140636, 175795, 210954, 351590, 421908, 527385, 703180, 1054770, 2109540, 2144699, 4289398, 6434097, 8578796, 10723495, 12868194, 21446990, 25736388, 32170485, 42893980, 64340970, 128681940]

約数ペア:

[(1, 128681940), (2, 64340970), (3, 42893980), (4, 32170485), (5, 25736388), (6, 21446990), (10, 12868194), (12, 10723495), (15, 8578796), (20, 6434097), (30, 4289398), (60, 2144699), (61, 2109540), (122, 1054770), (183, 703180), (244, 527385), (305, 421908), (366, 351590), (610, 210954), (732, 175795), (915, 140636), (1220, 105477), (1830, 70318), (3660, 35159)]