405399680

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5323}}^1$

素因数の和:5366

約数の個数: 128

約数和(自身を含む): 1172983680

約数和(自身を除く): 767584000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 128, 136, 140, 160, 170, 224, 238, 272, 280, 320, 340, 448, 476, 544, 560, 595, 640, 680, 896, 952, 1088, 1120, 1190, 1360, 1904, 2176, 2240, 2380, 2720, 3808, 4480, 4760, 5323, 5440, 7616, 9520, 10646, 10880, 15232, 19040, 21292, 26615, 37261, 38080, 42584, 53230, 74522, 76160, 85168, 90491, 106460, 149044, 170336, 180982, 186305, 212920, 298088, 340672, 361964, 372610, 425840, 452455, 596176, 633437, 681344, 723928, 745220, 851680, 904910, 1192352, 1266874, 1447856, 1490440, 1703360, 1809820, 2384704, 2533748, 2895712, 2980880, 3167185, 3406720, 3619640, 4769408, 5067496, 5791424, 5961760, 6334370, 7239280, 10134992, 11582848, 11923520, 12668740, 14478560, 20269984, 23847040, 25337480, 28957120, 40539968, 50674960, 57914240, 81079936, 101349920, 202699840, 405399680]

約数ペア:

[(1, 405399680), (2, 202699840), (4, 101349920), (5, 81079936), (7, 57914240), (8, 50674960), (10, 40539968), (14, 28957120), (16, 25337480), (17, 23847040), (20, 20269984), (28, 14478560), (32, 12668740), (34, 11923520), (35, 11582848), (40, 10134992), (56, 7239280), (64, 6334370), (68, 5961760), (70, 5791424), (80, 5067496), (85, 4769408), (112, 3619640), (119, 3406720), (128, 3167185), (136, 2980880), (140, 2895712), (160, 2533748), (170, 2384704), (224, 1809820), (238, 1703360), (272, 1490440), (280, 1447856), (320, 1266874), (340, 1192352), (448, 904910), (476, 851680), (544, 745220), (560, 723928), (595, 681344), (640, 633437), (680, 596176), (896, 452455), (952, 425840), (1088, 372610), (1120, 361964), (1190, 340672), (1360, 298088), (1904, 212920), (2176, 186305), (2240, 180982), (2380, 170336), (2720, 149044), (3808, 106460), (4480, 90491), (4760, 85168), (5323, 76160), (5440, 74522), (7616, 53230), (9520, 42584), (10646, 38080), (10880, 37261), (15232, 26615), (19040, 21292)]