81357761360

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{599}}^1\times {\mathrm{4703}}^1$

素因数の和:5353

約数の個数: 120

約数和(自身を含む): 200012198400

約数和(自身を除く): 118654437040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 361, 380, 599, 722, 760, 1198, 1444, 1520, 1805, 2396, 2888, 2995, 3610, 4703, 4792, 5776, 5990, 7220, 9406, 9584, 11381, 11980, 14440, 18812, 22762, 23515, 23960, 28880, 37624, 45524, 47030, 47920, 56905, 75248, 89357, 91048, 94060, 113810, 178714, 182096, 188120, 216239, 227620, 357428, 376240, 432478, 446785, 455240, 714856, 864956, 893570, 910480, 1081195, 1429712, 1697783, 1729912, 1787140, 2162390, 2817097, 3395566, 3459824, 3574280, 4324780, 5634194, 6791132, 7148560, 8488915, 8649560, 11268388, 13582264, 14085485, 16977830, 17299120, 22536776, 27164528, 28170970, 33955660, 45073552, 53524843, 56341940, 67911320, 107049686, 112683880, 135822640, 214099372, 225367760, 267624215, 428198744, 535248430, 856397488, 1016972017, 1070496860, 2033944034, 2140993720, 4067888068, 4281987440, 5084860085, 8135776136, 10169720170, 16271552272, 20339440340, 40678880680, 81357761360]

約数ペア:

[(1, 81357761360), (2, 40678880680), (4, 20339440340), (5, 16271552272), (8, 10169720170), (10, 8135776136), (16, 5084860085), (19, 4281987440), (20, 4067888068), (38, 2140993720), (40, 2033944034), (76, 1070496860), (80, 1016972017), (95, 856397488), (152, 535248430), (190, 428198744), (304, 267624215), (361, 225367760), (380, 214099372), (599, 135822640), (722, 112683880), (760, 107049686), (1198, 67911320), (1444, 56341940), (1520, 53524843), (1805, 45073552), (2396, 33955660), (2888, 28170970), (2995, 27164528), (3610, 22536776), (4703, 17299120), (4792, 16977830), (5776, 14085485), (5990, 13582264), (7220, 11268388), (9406, 8649560), (9584, 8488915), (11381, 7148560), (11980, 6791132), (14440, 5634194), (18812, 4324780), (22762, 3574280), (23515, 3459824), (23960, 3395566), (28880, 2817097), (37624, 2162390), (45524, 1787140), (47030, 1729912), (47920, 1697783), (56905, 1429712), (75248, 1081195), (89357, 910480), (91048, 893570), (94060, 864956), (113810, 714856), (178714, 455240), (182096, 446785), (188120, 432478), (216239, 376240), (227620, 357428)]