15504893380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{9421}}^1$

素因数の和:9581

約数の個数: 96

約数和(自身を含む): 35330238720

約数和(自身を除く): 19825345340

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 71, 76, 95, 122, 142, 190, 244, 284, 305, 355, 380, 610, 710, 1159, 1220, 1349, 1420, 2318, 2698, 4331, 4636, 5396, 5795, 6745, 8662, 9421, 11590, 13490, 17324, 18842, 21655, 23180, 26980, 37684, 43310, 47105, 82289, 86620, 94210, 164578, 178999, 188420, 329156, 357998, 411445, 574681, 668891, 715996, 822890, 894995, 1149362, 1337782, 1645780, 1789990, 2298724, 2675564, 2873405, 3344455, 3579980, 5746810, 6688910, 10918939, 11493620, 12708929, 13377820, 21837878, 25417858, 40802351, 43675756, 50835716, 54594695, 63544645, 81604702, 109189390, 127089290, 163209404, 204011755, 218378780, 254178580, 408023510, 775244669, 816047020, 1550489338, 3100978676, 3876223345, 7752446690, 15504893380]

約数ペア:

[(1, 15504893380), (2, 7752446690), (4, 3876223345), (5, 3100978676), (10, 1550489338), (19, 816047020), (20, 775244669), (38, 408023510), (61, 254178580), (71, 218378780), (76, 204011755), (95, 163209404), (122, 127089290), (142, 109189390), (190, 81604702), (244, 63544645), (284, 54594695), (305, 50835716), (355, 43675756), (380, 40802351), (610, 25417858), (710, 21837878), (1159, 13377820), (1220, 12708929), (1349, 11493620), (1420, 10918939), (2318, 6688910), (2698, 5746810), (4331, 3579980), (4636, 3344455), (5396, 2873405), (5795, 2675564), (6745, 2298724), (8662, 1789990), (9421, 1645780), (11590, 1337782), (13490, 1149362), (17324, 894995), (18842, 822890), (21655, 715996), (23180, 668891), (26980, 574681), (37684, 411445), (43310, 357998), (47105, 329156), (82289, 188420), (86620, 178999), (94210, 164578)]