128850120

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{51131}}^1$

素因数の和:51155

約数の個数: 96

約数和(自身を含む): 478595520

約数和(自身を除く): 349745400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 51131, 102262, 153393, 204524, 255655, 306786, 357917, 409048, 460179, 511310, 613572, 715834, 766965, 920358, 1022620, 1073751, 1227144, 1431668, 1533930, 1789585, 1840716, 2045240, 2147502, 2300895, 2863336, 3067860, 3221253, 3579170, 3681432, 4295004, 4601790, 5368755, 6135720, 6442506, 7158340, 8590008, 9203580, 10737510, 12885012, 14316680, 16106265, 18407160, 21475020, 25770024, 32212530, 42950040, 64425060, 128850120]

約数ペア:

[(1, 128850120), (2, 64425060), (3, 42950040), (4, 32212530), (5, 25770024), (6, 21475020), (7, 18407160), (8, 16106265), (9, 14316680), (10, 12885012), (12, 10737510), (14, 9203580), (15, 8590008), (18, 7158340), (20, 6442506), (21, 6135720), (24, 5368755), (28, 4601790), (30, 4295004), (35, 3681432), (36, 3579170), (40, 3221253), (42, 3067860), (45, 2863336), (56, 2300895), (60, 2147502), (63, 2045240), (70, 1840716), (72, 1789585), (84, 1533930), (90, 1431668), (105, 1227144), (120, 1073751), (126, 1022620), (140, 920358), (168, 766965), (180, 715834), (210, 613572), (252, 511310), (280, 460179), (315, 409048), (360, 357917), (420, 306786), (504, 255655), (630, 204524), (840, 153393), (1260, 102262), (2520, 51131)]