1268540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1$

素因数の和:87

約数の個数: 96

約数和(自身を含む): 3556224

約数和(自身を除く): 2287684

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 26, 28, 34, 35, 41, 52, 65, 68, 70, 82, 85, 91, 119, 130, 140, 164, 170, 182, 205, 221, 238, 260, 287, 340, 364, 410, 442, 455, 476, 533, 574, 595, 697, 820, 884, 910, 1066, 1105, 1148, 1190, 1394, 1435, 1547, 1820, 2132, 2210, 2380, 2665, 2788, 2870, 3094, 3485, 3731, 4420, 4879, 5330, 5740, 6188, 6970, 7462, 7735, 9061, 9758, 10660, 13940, 14924, 15470, 18122, 18655, 19516, 24395, 30940, 36244, 37310, 45305, 48790, 63427, 74620, 90610, 97580, 126854, 181220, 253708, 317135, 634270, 1268540]

約数ペア:

[(1, 1268540), (2, 634270), (4, 317135), (5, 253708), (7, 181220), (10, 126854), (13, 97580), (14, 90610), (17, 74620), (20, 63427), (26, 48790), (28, 45305), (34, 37310), (35, 36244), (41, 30940), (52, 24395), (65, 19516), (68, 18655), (70, 18122), (82, 15470), (85, 14924), (91, 13940), (119, 10660), (130, 9758), (140, 9061), (164, 7735), (170, 7462), (182, 6970), (205, 6188), (221, 5740), (238, 5330), (260, 4879), (287, 4420), (340, 3731), (364, 3485), (410, 3094), (442, 2870), (455, 2788), (476, 2665), (533, 2380), (574, 2210), (595, 2132), (697, 1820), (820, 1547), (884, 1435), (910, 1394), (1066, 1190), (1105, 1148)]