181865320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2939}}^1$

素因数の和:2987

約数の個数: 128

約数和(自身を含む): 533433600

約数和(自身を除く): 351568280

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 17, 20, 26, 28, 34, 35, 40, 52, 56, 65, 68, 70, 85, 91, 104, 119, 130, 136, 140, 170, 182, 221, 238, 260, 280, 340, 364, 442, 455, 476, 520, 595, 680, 728, 884, 910, 952, 1105, 1190, 1547, 1768, 1820, 2210, 2380, 2939, 3094, 3640, 4420, 4760, 5878, 6188, 7735, 8840, 11756, 12376, 14695, 15470, 20573, 23512, 29390, 30940, 38207, 41146, 49963, 58780, 61880, 76414, 82292, 99926, 102865, 117560, 152828, 164584, 191035, 199852, 205730, 249815, 267449, 305656, 349741, 382070, 399704, 411460, 499630, 534898, 649519, 699482, 764140, 822920, 999260, 1069796, 1299038, 1337245, 1398964, 1528280, 1748705, 1998520, 2139592, 2598076, 2674490, 2797928, 3247595, 3497410, 4546633, 5196152, 5348980, 6495190, 6994820, 9093266, 10697960, 12990380, 13989640, 18186532, 22733165, 25980760, 36373064, 45466330, 90932660, 181865320]

約数ペア:

[(1, 181865320), (2, 90932660), (4, 45466330), (5, 36373064), (7, 25980760), (8, 22733165), (10, 18186532), (13, 13989640), (14, 12990380), (17, 10697960), (20, 9093266), (26, 6994820), (28, 6495190), (34, 5348980), (35, 5196152), (40, 4546633), (52, 3497410), (56, 3247595), (65, 2797928), (68, 2674490), (70, 2598076), (85, 2139592), (91, 1998520), (104, 1748705), (119, 1528280), (130, 1398964), (136, 1337245), (140, 1299038), (170, 1069796), (182, 999260), (221, 822920), (238, 764140), (260, 699482), (280, 649519), (340, 534898), (364, 499630), (442, 411460), (455, 399704), (476, 382070), (520, 349741), (595, 305656), (680, 267449), (728, 249815), (884, 205730), (910, 199852), (952, 191035), (1105, 164584), (1190, 152828), (1547, 117560), (1768, 102865), (1820, 99926), (2210, 82292), (2380, 76414), (2939, 61880), (3094, 58780), (3640, 49963), (4420, 41146), (4760, 38207), (5878, 30940), (6188, 29390), (7735, 23512), (8840, 20573), (11756, 15470), (12376, 14695)]