661058840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^2$

素因数の和:349

約数の個数: 96

約数和(自身を含む): 1631735280

約数和(自身を除く): 970676440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 107, 109, 130, 214, 218, 260, 428, 436, 520, 535, 545, 856, 872, 1070, 1090, 1391, 1417, 2140, 2180, 2782, 2834, 4280, 4360, 5564, 5668, 6955, 7085, 11128, 11336, 11663, 11881, 13910, 14170, 23326, 23762, 27820, 28340, 46652, 47524, 55640, 56680, 58315, 59405, 93304, 95048, 116630, 118810, 151619, 154453, 233260, 237620, 303238, 308906, 466520, 475240, 606476, 617812, 758095, 772265, 1212952, 1235624, 1271267, 1516190, 1544530, 2542534, 3032380, 3089060, 5085068, 6064760, 6178120, 6356335, 10170136, 12712670, 16526471, 25425340, 33052942, 50850680, 66105884, 82632355, 132211768, 165264710, 330529420, 661058840]

約数ペア:

[(1, 661058840), (2, 330529420), (4, 165264710), (5, 132211768), (8, 82632355), (10, 66105884), (13, 50850680), (20, 33052942), (26, 25425340), (40, 16526471), (52, 12712670), (65, 10170136), (104, 6356335), (107, 6178120), (109, 6064760), (130, 5085068), (214, 3089060), (218, 3032380), (260, 2542534), (428, 1544530), (436, 1516190), (520, 1271267), (535, 1235624), (545, 1212952), (856, 772265), (872, 758095), (1070, 617812), (1090, 606476), (1391, 475240), (1417, 466520), (2140, 308906), (2180, 303238), (2782, 237620), (2834, 233260), (4280, 154453), (4360, 151619), (5564, 118810), (5668, 116630), (6955, 95048), (7085, 93304), (11128, 59405), (11336, 58315), (11663, 56680), (11881, 55640), (13910, 47524), (14170, 46652), (23326, 28340), (23762, 27820)]