127126920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{347}}^1$

素因数の和:475

約数の個数: 128

約数和(自身を含む): 396887040

約数和(自身を除く): 269760120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 71, 86, 120, 129, 142, 172, 213, 215, 258, 284, 344, 347, 355, 426, 430, 516, 568, 645, 694, 710, 852, 860, 1032, 1041, 1065, 1290, 1388, 1420, 1704, 1720, 1735, 2082, 2130, 2580, 2776, 2840, 3053, 3470, 4164, 4260, 5160, 5205, 6106, 6940, 8328, 8520, 9159, 10410, 12212, 13880, 14921, 15265, 18318, 20820, 24424, 24637, 29842, 30530, 36636, 41640, 44763, 45795, 49274, 59684, 61060, 73272, 73911, 74605, 89526, 91590, 98548, 119368, 122120, 123185, 147822, 149210, 179052, 183180, 197096, 223815, 246370, 295644, 298420, 358104, 366360, 369555, 447630, 492740, 591288, 596840, 739110, 895260, 985480, 1059391, 1478220, 1790520, 2118782, 2956440, 3178173, 4237564, 5296955, 6356346, 8475128, 10593910, 12712692, 15890865, 21187820, 25425384, 31781730, 42375640, 63563460, 127126920]

約数ペア:

[(1, 127126920), (2, 63563460), (3, 42375640), (4, 31781730), (5, 25425384), (6, 21187820), (8, 15890865), (10, 12712692), (12, 10593910), (15, 8475128), (20, 6356346), (24, 5296955), (30, 4237564), (40, 3178173), (43, 2956440), (60, 2118782), (71, 1790520), (86, 1478220), (120, 1059391), (129, 985480), (142, 895260), (172, 739110), (213, 596840), (215, 591288), (258, 492740), (284, 447630), (344, 369555), (347, 366360), (355, 358104), (426, 298420), (430, 295644), (516, 246370), (568, 223815), (645, 197096), (694, 183180), (710, 179052), (852, 149210), (860, 147822), (1032, 123185), (1041, 122120), (1065, 119368), (1290, 98548), (1388, 91590), (1420, 89526), (1704, 74605), (1720, 73911), (1735, 73272), (2082, 61060), (2130, 59684), (2580, 49274), (2776, 45795), (2840, 44763), (3053, 41640), (3470, 36636), (4164, 30530), (4260, 29842), (5160, 24637), (5205, 24424), (6106, 20820), (6940, 18318), (8328, 15265), (8520, 14921), (9159, 13880), (10410, 12212)]