180210140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{113}}^1\times {\mathrm{659}}^1$

素因数の和:803

約数の個数: 72

約数和(自身を含む): 420290640

約数和(自身を除く): 240080500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 113, 121, 220, 226, 242, 452, 484, 565, 605, 659, 1130, 1210, 1243, 1318, 2260, 2420, 2486, 2636, 3295, 4972, 6215, 6590, 7249, 12430, 13180, 13673, 14498, 24860, 27346, 28996, 36245, 54692, 68365, 72490, 74467, 79739, 136730, 144980, 148934, 159478, 273460, 297868, 318956, 372335, 398695, 744670, 797390, 819137, 1489340, 1594780, 1638274, 3276548, 4095685, 8191370, 9010507, 16382740, 18021014, 36042028, 45052535, 90105070, 180210140]

約数ペア:

[(1, 180210140), (2, 90105070), (4, 45052535), (5, 36042028), (10, 18021014), (11, 16382740), (20, 9010507), (22, 8191370), (44, 4095685), (55, 3276548), (110, 1638274), (113, 1594780), (121, 1489340), (220, 819137), (226, 797390), (242, 744670), (452, 398695), (484, 372335), (565, 318956), (605, 297868), (659, 273460), (1130, 159478), (1210, 148934), (1243, 144980), (1318, 136730), (2260, 79739), (2420, 74467), (2486, 72490), (2636, 68365), (3295, 54692), (4972, 36245), (6215, 28996), (6590, 27346), (7249, 24860), (12430, 14498), (13180, 13673)]