128416920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{607}}^1$

素因数の和:705

約数の個数: 128

約数和(自身を含む): 404490240

約数和(自身を除く): 276073320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 43, 60, 82, 86, 120, 123, 129, 164, 172, 205, 215, 246, 258, 328, 344, 410, 430, 492, 516, 607, 615, 645, 820, 860, 984, 1032, 1214, 1230, 1290, 1640, 1720, 1763, 1821, 2428, 2460, 2580, 3035, 3526, 3642, 4856, 4920, 5160, 5289, 6070, 7052, 7284, 8815, 9105, 10578, 12140, 14104, 14568, 17630, 18210, 21156, 24280, 24887, 26101, 26445, 35260, 36420, 42312, 49774, 52202, 52890, 70520, 72840, 74661, 78303, 99548, 104404, 105780, 124435, 130505, 149322, 156606, 199096, 208808, 211560, 248870, 261010, 298644, 313212, 373305, 391515, 497740, 522020, 597288, 626424, 746610, 783030, 995480, 1044040, 1070141, 1493220, 1566060, 2140282, 2986440, 3132120, 3210423, 4280564, 5350705, 6420846, 8561128, 10701410, 12841692, 16052115, 21402820, 25683384, 32104230, 42805640, 64208460, 128416920]

約数ペア:

[(1, 128416920), (2, 64208460), (3, 42805640), (4, 32104230), (5, 25683384), (6, 21402820), (8, 16052115), (10, 12841692), (12, 10701410), (15, 8561128), (20, 6420846), (24, 5350705), (30, 4280564), (40, 3210423), (41, 3132120), (43, 2986440), (60, 2140282), (82, 1566060), (86, 1493220), (120, 1070141), (123, 1044040), (129, 995480), (164, 783030), (172, 746610), (205, 626424), (215, 597288), (246, 522020), (258, 497740), (328, 391515), (344, 373305), (410, 313212), (430, 298644), (492, 261010), (516, 248870), (607, 211560), (615, 208808), (645, 199096), (820, 156606), (860, 149322), (984, 130505), (1032, 124435), (1214, 105780), (1230, 104404), (1290, 99548), (1640, 78303), (1720, 74661), (1763, 72840), (1821, 70520), (2428, 52890), (2460, 52202), (2580, 49774), (3035, 42312), (3526, 36420), (3642, 35260), (4856, 26445), (4920, 26101), (5160, 24887), (5289, 24280), (6070, 21156), (7052, 18210), (7284, 17630), (8815, 14568), (9105, 14104), (10578, 12140)]