315138560

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1$

素因数の和:103

約数の個数: 240

約数和(自身を含む): 898013952

約数和(自身を除く): 582875392

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 31, 32, 38, 40, 44, 55, 62, 64, 76, 80, 88, 95, 110, 124, 128, 152, 155, 160, 176, 190, 209, 220, 248, 256, 304, 310, 320, 341, 352, 361, 380, 418, 440, 496, 512, 589, 608, 620, 640, 682, 704, 722, 760, 836, 880, 992, 1045, 1178, 1216, 1240, 1280, 1364, 1408, 1444, 1520, 1672, 1705, 1760, 1805, 1984, 2090, 2356, 2432, 2480, 2560, 2728, 2816, 2888, 2945, 3040, 3344, 3410, 3520, 3610, 3968, 3971, 4180, 4712, 4864, 4960, 5456, 5632, 5776, 5890, 6080, 6479, 6688, 6820, 7040, 7220, 7936, 7942, 8360, 9424, 9728, 9920, 10912, 11191, 11552, 11780, 12160, 12958, 13376, 13640, 14080, 14440, 15872, 15884, 16720, 18848, 19840, 19855, 21824, 22382, 23104, 23560, 24320, 25916, 26752, 27280, 28160, 28880, 31768, 32395, 33440, 37696, 39680, 39710, 43648, 44764, 46208, 47120, 48640, 51832, 53504, 54560, 55955, 57760, 63536, 64790, 66880, 75392, 79360, 79420, 87296, 89528, 92416, 94240, 103664, 107008, 109120, 111910, 115520, 123101, 127072, 129580, 133760, 150784, 158840, 174592, 179056, 184832, 188480, 207328, 218240, 223820, 231040, 246202, 254144, 259160, 267520, 301568, 317680, 358112, 376960, 414656, 436480, 447640, 462080, 492404, 508288, 518320, 535040, 615505, 635360, 716224, 753920, 829312, 872960, 895280, 924160, 984808, 1016576, 1036640, 1231010, 1270720, 1432448, 1507840, 1658624, 1790560, 1969616, 2033152, 2073280, 2462020, 2541440, 2864896, 3317248, 3581120, 3939232, 4146560, 4924040, 5082880, 5729792, 7162240, 7878464, 8293120, 9848080, 10165760, 14324480, 15756928, 16586240, 19696160, 28648960, 31513856, 39392320, 63027712, 78784640, 157569280, 315138560]

約数ペア:

[(1, 315138560), (2, 157569280), (4, 78784640), (5, 63027712), (8, 39392320), (10, 31513856), (11, 28648960), (16, 19696160), (19, 16586240), (20, 15756928), (22, 14324480), (31, 10165760), (32, 9848080), (38, 8293120), (40, 7878464), (44, 7162240), (55, 5729792), (62, 5082880), (64, 4924040), (76, 4146560), (80, 3939232), (88, 3581120), (95, 3317248), (110, 2864896), (124, 2541440), (128, 2462020), (152, 2073280), (155, 2033152), (160, 1969616), (176, 1790560), (190, 1658624), (209, 1507840), (220, 1432448), (248, 1270720), (256, 1231010), (304, 1036640), (310, 1016576), (320, 984808), (341, 924160), (352, 895280), (361, 872960), (380, 829312), (418, 753920), (440, 716224), (496, 635360), (512, 615505), (589, 535040), (608, 518320), (620, 508288), (640, 492404), (682, 462080), (704, 447640), (722, 436480), (760, 414656), (836, 376960), (880, 358112), (992, 317680), (1045, 301568), (1178, 267520), (1216, 259160), (1240, 254144), (1280, 246202), (1364, 231040), (1408, 223820), (1444, 218240), (1520, 207328), (1672, 188480), (1705, 184832), (1760, 179056), (1805, 174592), (1984, 158840), (2090, 150784), (2356, 133760), (2432, 129580), (2480, 127072), (2560, 123101), (2728, 115520), (2816, 111910), (2888, 109120), (2945, 107008), (3040, 103664), (3344, 94240), (3410, 92416), (3520, 89528), (3610, 87296), (3968, 79420), (3971, 79360), (4180, 75392), (4712, 66880), (4864, 64790), (4960, 63536), (5456, 57760), (5632, 55955), (5776, 54560), (5890, 53504), (6080, 51832), (6479, 48640), (6688, 47120), (6820, 46208), (7040, 44764), (7220, 43648), (7936, 39710), (7942, 39680), (8360, 37696), (9424, 33440), (9728, 32395), (9920, 31768), (10912, 28880), (11191, 28160), (11552, 27280), (11780, 26752), (12160, 25916), (12958, 24320), (13376, 23560), (13640, 23104), (14080, 22382), (14440, 21824), (15872, 19855), (15884, 19840), (16720, 18848)]