90215340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{157}}^2$

素因数の和:387

約数の個数: 72

約数和(自身を含む): 258389712

約数和(自身を除く): 168174372

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 157, 183, 244, 305, 314, 366, 471, 610, 628, 732, 785, 915, 942, 1220, 1570, 1830, 1884, 2355, 3140, 3660, 4710, 9420, 9577, 19154, 24649, 28731, 38308, 47885, 49298, 57462, 73947, 95770, 98596, 114924, 123245, 143655, 147894, 191540, 246490, 287310, 295788, 369735, 492980, 574620, 739470, 1478940, 1503589, 3007178, 4510767, 6014356, 7517945, 9021534, 15035890, 18043068, 22553835, 30071780, 45107670, 90215340]

約数ペア:

[(1, 90215340), (2, 45107670), (3, 30071780), (4, 22553835), (5, 18043068), (6, 15035890), (10, 9021534), (12, 7517945), (15, 6014356), (20, 4510767), (30, 3007178), (60, 1503589), (61, 1478940), (122, 739470), (157, 574620), (183, 492980), (244, 369735), (305, 295788), (314, 287310), (366, 246490), (471, 191540), (610, 147894), (628, 143655), (732, 123245), (785, 114924), (915, 98596), (942, 95770), (1220, 73947), (1570, 57462), (1830, 49298), (1884, 47885), (2355, 38308), (3140, 28731), (3660, 24649), (4710, 19154), (9420, 9577)]