421136040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{541}}^1$

素因数の和:1067

約数の個数: 128

約数和(自身を含む): 1365840000

約数和(自身を除く): 944703960

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, 499, 520, 541, 780, 998, 1082, 1497, 1560, 1623, 1996, 2164, 2495, 2705, 2994, 3246, 3992, 4328, 4990, 5410, 5988, 6487, 6492, 7033, 7485, 8115, 9980, 10820, 11976, 12974, 12984, 14066, 14970, 16230, 19461, 19960, 21099, 21640, 25948, 28132, 29940, 32435, 32460, 35165, 38922, 42198, 51896, 56264, 59880, 64870, 64920, 70330, 77844, 84396, 97305, 105495, 129740, 140660, 155688, 168792, 194610, 210990, 259480, 269959, 281320, 389220, 421980, 539918, 778440, 809877, 843960, 1079836, 1349795, 1619754, 2159672, 2699590, 3239508, 3509467, 4049385, 5399180, 6479016, 7018934, 8098770, 10528401, 10798360, 14037868, 16197540, 17547335, 21056802, 28075736, 32395080, 35094670, 42113604, 52642005, 70189340, 84227208, 105284010, 140378680, 210568020, 421136040]

約数ペア:

[(1, 421136040), (2, 210568020), (3, 140378680), (4, 105284010), (5, 84227208), (6, 70189340), (8, 52642005), (10, 42113604), (12, 35094670), (13, 32395080), (15, 28075736), (20, 21056802), (24, 17547335), (26, 16197540), (30, 14037868), (39, 10798360), (40, 10528401), (52, 8098770), (60, 7018934), (65, 6479016), (78, 5399180), (104, 4049385), (120, 3509467), (130, 3239508), (156, 2699590), (195, 2159672), (260, 1619754), (312, 1349795), (390, 1079836), (499, 843960), (520, 809877), (541, 778440), (780, 539918), (998, 421980), (1082, 389220), (1497, 281320), (1560, 269959), (1623, 259480), (1996, 210990), (2164, 194610), (2495, 168792), (2705, 155688), (2994, 140660), (3246, 129740), (3992, 105495), (4328, 97305), (4990, 84396), (5410, 77844), (5988, 70330), (6487, 64920), (6492, 64870), (7033, 59880), (7485, 56264), (8115, 51896), (9980, 42198), (10820, 38922), (11976, 35165), (12974, 32460), (12984, 32435), (14066, 29940), (14970, 28132), (16230, 25948), (19461, 21640), (19960, 21099)]