77699440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{821}}^1$

素因数の和:867

約数の個数: 120

約数和(自身を含む): 223833888

約数和(自身を除く): 146134448

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 169, 182, 208, 260, 280, 338, 364, 455, 520, 560, 676, 728, 821, 845, 910, 1040, 1183, 1352, 1456, 1642, 1690, 1820, 2366, 2704, 3284, 3380, 3640, 4105, 4732, 5747, 5915, 6568, 6760, 7280, 8210, 9464, 10673, 11494, 11830, 13136, 13520, 16420, 18928, 21346, 22988, 23660, 28735, 32840, 42692, 45976, 47320, 53365, 57470, 65680, 74711, 85384, 91952, 94640, 106730, 114940, 138749, 149422, 170768, 213460, 229880, 277498, 298844, 373555, 426920, 459760, 554996, 597688, 693745, 747110, 853840, 971243, 1109992, 1195376, 1387490, 1494220, 1942486, 2219984, 2774980, 2988440, 3884972, 4856215, 5549960, 5976880, 7769944, 9712430, 11099920, 15539888, 19424860, 38849720, 77699440]

約数ペア:

[(1, 77699440), (2, 38849720), (4, 19424860), (5, 15539888), (7, 11099920), (8, 9712430), (10, 7769944), (13, 5976880), (14, 5549960), (16, 4856215), (20, 3884972), (26, 2988440), (28, 2774980), (35, 2219984), (40, 1942486), (52, 1494220), (56, 1387490), (65, 1195376), (70, 1109992), (80, 971243), (91, 853840), (104, 747110), (112, 693745), (130, 597688), (140, 554996), (169, 459760), (182, 426920), (208, 373555), (260, 298844), (280, 277498), (338, 229880), (364, 213460), (455, 170768), (520, 149422), (560, 138749), (676, 114940), (728, 106730), (821, 94640), (845, 91952), (910, 85384), (1040, 74711), (1183, 65680), (1352, 57470), (1456, 53365), (1642, 47320), (1690, 45976), (1820, 42692), (2366, 32840), (2704, 28735), (3284, 23660), (3380, 22988), (3640, 21346), (4105, 18928), (4732, 16420), (5747, 13520), (5915, 13136), (6568, 11830), (6760, 11494), (7280, 10673), (8210, 9464)]