639104160

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{653}}^1\times {\mathrm{2039}}^1$

素因数の和:2710

約数の個数: 96

約数和(自身を含む): 2017249920

約数和(自身を除く): 1378145760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 653, 1306, 1959, 2039, 2612, 3265, 3918, 4078, 5224, 6117, 6530, 7836, 8156, 9795, 10195, 10448, 12234, 13060, 15672, 16312, 19590, 20390, 20896, 24468, 26120, 30585, 31344, 32624, 39180, 40780, 48936, 52240, 61170, 62688, 65248, 78360, 81560, 97872, 104480, 122340, 156720, 163120, 195744, 244680, 313440, 326240, 489360, 978720, 1331467, 2662934, 3994401, 5325868, 6657335, 7988802, 10651736, 13314670, 15977604, 19972005, 21303472, 26629340, 31955208, 39944010, 42606944, 53258680, 63910416, 79888020, 106517360, 127820832, 159776040, 213034720, 319552080, 639104160]

約数ペア:

[(1, 639104160), (2, 319552080), (3, 213034720), (4, 159776040), (5, 127820832), (6, 106517360), (8, 79888020), (10, 63910416), (12, 53258680), (15, 42606944), (16, 39944010), (20, 31955208), (24, 26629340), (30, 21303472), (32, 19972005), (40, 15977604), (48, 13314670), (60, 10651736), (80, 7988802), (96, 6657335), (120, 5325868), (160, 3994401), (240, 2662934), (480, 1331467), (653, 978720), (1306, 489360), (1959, 326240), (2039, 313440), (2612, 244680), (3265, 195744), (3918, 163120), (4078, 156720), (5224, 122340), (6117, 104480), (6530, 97872), (7836, 81560), (8156, 78360), (9795, 65248), (10195, 62688), (10448, 61170), (12234, 52240), (13060, 48936), (15672, 40780), (16312, 39180), (19590, 32624), (20390, 31344), (20896, 30585), (24468, 26120)]