8216520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1$

素因数の和:279

約数の個数: 128

約数和(自身を含む): 27820800

約数和(自身を除く): 19604280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 30, 39, 40, 46, 52, 60, 65, 69, 78, 92, 104, 115, 120, 130, 138, 156, 184, 195, 229, 230, 260, 276, 299, 312, 345, 390, 458, 460, 520, 552, 598, 687, 690, 780, 897, 916, 920, 1145, 1196, 1374, 1380, 1495, 1560, 1794, 1832, 2290, 2392, 2748, 2760, 2977, 2990, 3435, 3588, 4485, 4580, 5267, 5496, 5954, 5980, 6870, 7176, 8931, 8970, 9160, 10534, 11908, 11960, 13740, 14885, 15801, 17862, 17940, 21068, 23816, 26335, 27480, 29770, 31602, 35724, 35880, 42136, 44655, 52670, 59540, 63204, 68471, 71448, 79005, 89310, 105340, 119080, 126408, 136942, 158010, 178620, 205413, 210680, 273884, 316020, 342355, 357240, 410826, 547768, 632040, 684710, 821652, 1027065, 1369420, 1643304, 2054130, 2738840, 4108260, 8216520]

約数ペア:

[(1, 8216520), (2, 4108260), (3, 2738840), (4, 2054130), (5, 1643304), (6, 1369420), (8, 1027065), (10, 821652), (12, 684710), (13, 632040), (15, 547768), (20, 410826), (23, 357240), (24, 342355), (26, 316020), (30, 273884), (39, 210680), (40, 205413), (46, 178620), (52, 158010), (60, 136942), (65, 126408), (69, 119080), (78, 105340), (92, 89310), (104, 79005), (115, 71448), (120, 68471), (130, 63204), (138, 59540), (156, 52670), (184, 44655), (195, 42136), (229, 35880), (230, 35724), (260, 31602), (276, 29770), (299, 27480), (312, 26335), (345, 23816), (390, 21068), (458, 17940), (460, 17862), (520, 15801), (552, 14885), (598, 13740), (687, 11960), (690, 11908), (780, 10534), (897, 9160), (916, 8970), (920, 8931), (1145, 7176), (1196, 6870), (1374, 5980), (1380, 5954), (1495, 5496), (1560, 5267), (1794, 4580), (1832, 4485), (2290, 3588), (2392, 3435), (2748, 2990), (2760, 2977)]