1218815640

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{613}}^1$

素因数の和:903

約数の個数: 256

約数和(自身を含む): 4668364800

約数和(自身を除く): 3449549160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 263, 270, 280, 315, 360, 378, 420, 504, 526, 540, 613, 630, 756, 789, 840, 945, 1052, 1080, 1226, 1260, 1315, 1512, 1578, 1839, 1841, 1890, 2104, 2367, 2452, 2520, 2630, 3065, 3156, 3678, 3682, 3780, 3945, 4291, 4734, 4904, 5260, 5517, 5523, 6130, 6312, 7101, 7356, 7364, 7560, 7890, 8582, 9195, 9205, 9468, 10520, 11034, 11046, 11835, 12260, 12873, 14202, 14712, 14728, 15780, 16551, 16569, 17164, 18390, 18410, 18936, 21455, 22068, 22092, 23670, 24520, 25746, 27585, 27615, 28404, 31560, 33102, 33138, 34328, 35505, 36780, 36820, 38619, 42910, 44136, 44184, 47340, 49707, 51492, 55170, 55230, 56808, 64365, 66204, 66276, 71010, 73560, 73640, 77238, 82755, 82845, 85820, 94680, 99414, 102984, 110340, 110460, 115857, 128730, 132408, 132552, 142020, 154476, 161219, 165510, 165690, 171640, 193095, 198828, 220680, 220920, 231714, 248535, 257460, 284040, 308952, 322438, 331020, 331380, 386190, 397656, 463428, 483657, 497070, 514920, 579285, 644876, 662040, 662760, 772380, 806095, 926856, 967314, 994140, 1128533, 1158570, 1289752, 1450971, 1544760, 1612190, 1934628, 1988280, 2257066, 2317140, 2418285, 2901942, 3224380, 3385599, 3869256, 4352913, 4514132, 4634280, 4836570, 5642665, 5803884, 6448760, 6771198, 7254855, 8705826, 9028264, 9673140, 10156797, 11285330, 11607768, 13542396, 14509710, 16927995, 17411652, 19346280, 20313594, 21764565, 22570660, 27084792, 29019420, 30470391, 33855990, 34823304, 40627188, 43529130, 45141320, 50783985, 58038840, 60940782, 67711980, 81254376, 87058260, 101567970, 121881564, 135423960, 152351955, 174116520, 203135940, 243763128, 304703910, 406271880, 609407820, 1218815640]

約数ペア:

[(1, 1218815640), (2, 609407820), (3, 406271880), (4, 304703910), (5, 243763128), (6, 203135940), (7, 174116520), (8, 152351955), (9, 135423960), (10, 121881564), (12, 101567970), (14, 87058260), (15, 81254376), (18, 67711980), (20, 60940782), (21, 58038840), (24, 50783985), (27, 45141320), (28, 43529130), (30, 40627188), (35, 34823304), (36, 33855990), (40, 30470391), (42, 29019420), (45, 27084792), (54, 22570660), (56, 21764565), (60, 20313594), (63, 19346280), (70, 17411652), (72, 16927995), (84, 14509710), (90, 13542396), (105, 11607768), (108, 11285330), (120, 10156797), (126, 9673140), (135, 9028264), (140, 8705826), (168, 7254855), (180, 6771198), (189, 6448760), (210, 5803884), (216, 5642665), (252, 4836570), (263, 4634280), (270, 4514132), (280, 4352913), (315, 3869256), (360, 3385599), (378, 3224380), (420, 2901942), (504, 2418285), (526, 2317140), (540, 2257066), (613, 1988280), (630, 1934628), (756, 1612190), (789, 1544760), (840, 1450971), (945, 1289752), (1052, 1158570), (1080, 1128533), (1226, 994140), (1260, 967314), (1315, 926856), (1512, 806095), (1578, 772380), (1839, 662760), (1841, 662040), (1890, 644876), (2104, 579285), (2367, 514920), (2452, 497070), (2520, 483657), (2630, 463428), (3065, 397656), (3156, 386190), (3678, 331380), (3682, 331020), (3780, 322438), (3945, 308952), (4291, 284040), (4734, 257460), (4904, 248535), (5260, 231714), (5517, 220920), (5523, 220680), (6130, 198828), (6312, 193095), (7101, 171640), (7356, 165690), (7364, 165510), (7560, 161219), (7890, 154476), (8582, 142020), (9195, 132552), (9205, 132408), (9468, 128730), (10520, 115857), (11034, 110460), (11046, 110340), (11835, 102984), (12260, 99414), (12873, 94680), (14202, 85820), (14712, 82845), (14728, 82755), (15780, 77238), (16551, 73640), (16569, 73560), (17164, 71010), (18390, 66276), (18410, 66204), (18936, 64365), (21455, 56808), (22068, 55230), (22092, 55170), (23670, 51492), (24520, 49707), (25746, 47340), (27585, 44184), (27615, 44136), (28404, 42910), (31560, 38619), (33102, 36820), (33138, 36780), (34328, 35505)]