404637720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1\times {\mathrm{163}}^1$

素因数の和:465

約数の個数: 128

約数和(自身を含む): 1238423040

約数和(自身を除く): 833785320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 137, 151, 163, 274, 302, 326, 411, 453, 489, 548, 604, 652, 685, 755, 815, 822, 906, 978, 1096, 1208, 1304, 1370, 1510, 1630, 1644, 1812, 1956, 2055, 2265, 2445, 2740, 3020, 3260, 3288, 3624, 3912, 4110, 4530, 4890, 5480, 6040, 6520, 8220, 9060, 9780, 16440, 18120, 19560, 20687, 22331, 24613, 41374, 44662, 49226, 62061, 66993, 73839, 82748, 89324, 98452, 103435, 111655, 123065, 124122, 133986, 147678, 165496, 178648, 196904, 206870, 223310, 246130, 248244, 267972, 295356, 310305, 334965, 369195, 413740, 446620, 492260, 496488, 535944, 590712, 620610, 669930, 738390, 827480, 893240, 984520, 1241220, 1339860, 1476780, 2482440, 2679720, 2953560, 3371981, 6743962, 10115943, 13487924, 16859905, 20231886, 26975848, 33719810, 40463772, 50579715, 67439620, 80927544, 101159430, 134879240, 202318860, 404637720]

約数ペア:

[(1, 404637720), (2, 202318860), (3, 134879240), (4, 101159430), (5, 80927544), (6, 67439620), (8, 50579715), (10, 40463772), (12, 33719810), (15, 26975848), (20, 20231886), (24, 16859905), (30, 13487924), (40, 10115943), (60, 6743962), (120, 3371981), (137, 2953560), (151, 2679720), (163, 2482440), (274, 1476780), (302, 1339860), (326, 1241220), (411, 984520), (453, 893240), (489, 827480), (548, 738390), (604, 669930), (652, 620610), (685, 590712), (755, 535944), (815, 496488), (822, 492260), (906, 446620), (978, 413740), (1096, 369195), (1208, 334965), (1304, 310305), (1370, 295356), (1510, 267972), (1630, 248244), (1644, 246130), (1812, 223310), (1956, 206870), (2055, 196904), (2265, 178648), (2445, 165496), (2740, 147678), (3020, 133986), (3260, 124122), (3288, 123065), (3624, 111655), (3912, 103435), (4110, 98452), (4530, 89324), (4890, 82748), (5480, 73839), (6040, 66993), (6520, 62061), (8220, 49226), (9060, 44662), (9780, 41374), (16440, 24613), (18120, 22331), (19560, 20687)]