1640820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:105

約数の個数: 96

約数和(自身を含む): 5080320

約数和(自身を除く): 3439500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 29, 30, 41, 46, 58, 60, 69, 82, 87, 92, 115, 116, 123, 138, 145, 164, 174, 205, 230, 246, 276, 290, 345, 348, 410, 435, 460, 492, 580, 615, 667, 690, 820, 870, 943, 1189, 1230, 1334, 1380, 1740, 1886, 2001, 2378, 2460, 2668, 2829, 3335, 3567, 3772, 4002, 4715, 4756, 5658, 5945, 6670, 7134, 8004, 9430, 10005, 11316, 11890, 13340, 14145, 14268, 17835, 18860, 20010, 23780, 27347, 28290, 35670, 40020, 54694, 56580, 71340, 82041, 109388, 136735, 164082, 273470, 328164, 410205, 546940, 820410, 1640820]

約数ペア:

[(1, 1640820), (2, 820410), (3, 546940), (4, 410205), (5, 328164), (6, 273470), (10, 164082), (12, 136735), (15, 109388), (20, 82041), (23, 71340), (29, 56580), (30, 54694), (41, 40020), (46, 35670), (58, 28290), (60, 27347), (69, 23780), (82, 20010), (87, 18860), (92, 17835), (115, 14268), (116, 14145), (123, 13340), (138, 11890), (145, 11316), (164, 10005), (174, 9430), (205, 8004), (230, 7134), (246, 6670), (276, 5945), (290, 5658), (345, 4756), (348, 4715), (410, 4002), (435, 3772), (460, 3567), (492, 3335), (580, 2829), (615, 2668), (667, 2460), (690, 2378), (820, 2001), (870, 1886), (943, 1740), (1189, 1380), (1230, 1334)]