251920240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1$

素因数の和:136

約数の個数: 240

約数和(自身を含む): 738140256

約数和(自身を除く): 486220016

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 19, 20, 22, 26, 38, 40, 44, 52, 55, 61, 65, 76, 80, 88, 95, 104, 110, 122, 130, 143, 152, 176, 190, 208, 209, 220, 244, 247, 260, 286, 304, 305, 361, 380, 418, 440, 488, 494, 520, 572, 610, 671, 715, 722, 760, 793, 836, 880, 976, 988, 1040, 1045, 1144, 1159, 1220, 1235, 1342, 1430, 1444, 1520, 1586, 1672, 1805, 1976, 2090, 2288, 2318, 2440, 2470, 2684, 2717, 2860, 2888, 3172, 3344, 3355, 3610, 3952, 3965, 3971, 4180, 4636, 4693, 4880, 4940, 5368, 5434, 5720, 5776, 5795, 6344, 6710, 7220, 7930, 7942, 8360, 8723, 9272, 9386, 9880, 10736, 10868, 11440, 11590, 12688, 12749, 13420, 13585, 14440, 15067, 15860, 15884, 16720, 17446, 18544, 18772, 19760, 19855, 21736, 22021, 23180, 23465, 25498, 26840, 27170, 28880, 30134, 31720, 31768, 34892, 37544, 39710, 43472, 43615, 44042, 46360, 46930, 50996, 51623, 53680, 54340, 60268, 63440, 63536, 63745, 69784, 75088, 75335, 79420, 87230, 88084, 92720, 93860, 101992, 103246, 108680, 110105, 120536, 127490, 139568, 150670, 158840, 165737, 174460, 176168, 187720, 203984, 206492, 217360, 220210, 241072, 242231, 254980, 258115, 286273, 301340, 317680, 331474, 348920, 352336, 375440, 412984, 440420, 484462, 509960, 516230, 572546, 602680, 662948, 697840, 825968, 828685, 880840, 968924, 1019920, 1032460, 1145092, 1205360, 1211155, 1325896, 1431365, 1657370, 1761680, 1937848, 2064920, 2290184, 2422310, 2651792, 2862730, 3149003, 3314740, 3875696, 4129840, 4580368, 4844620, 5725460, 6298006, 6629480, 9689240, 11450920, 12596012, 13258960, 15745015, 19378480, 22901840, 25192024, 31490030, 50384048, 62980060, 125960120, 251920240]

約数ペア:

[(1, 251920240), (2, 125960120), (4, 62980060), (5, 50384048), (8, 31490030), (10, 25192024), (11, 22901840), (13, 19378480), (16, 15745015), (19, 13258960), (20, 12596012), (22, 11450920), (26, 9689240), (38, 6629480), (40, 6298006), (44, 5725460), (52, 4844620), (55, 4580368), (61, 4129840), (65, 3875696), (76, 3314740), (80, 3149003), (88, 2862730), (95, 2651792), (104, 2422310), (110, 2290184), (122, 2064920), (130, 1937848), (143, 1761680), (152, 1657370), (176, 1431365), (190, 1325896), (208, 1211155), (209, 1205360), (220, 1145092), (244, 1032460), (247, 1019920), (260, 968924), (286, 880840), (304, 828685), (305, 825968), (361, 697840), (380, 662948), (418, 602680), (440, 572546), (488, 516230), (494, 509960), (520, 484462), (572, 440420), (610, 412984), (671, 375440), (715, 352336), (722, 348920), (760, 331474), (793, 317680), (836, 301340), (880, 286273), (976, 258115), (988, 254980), (1040, 242231), (1045, 241072), (1144, 220210), (1159, 217360), (1220, 206492), (1235, 203984), (1342, 187720), (1430, 176168), (1444, 174460), (1520, 165737), (1586, 158840), (1672, 150670), (1805, 139568), (1976, 127490), (2090, 120536), (2288, 110105), (2318, 108680), (2440, 103246), (2470, 101992), (2684, 93860), (2717, 92720), (2860, 88084), (2888, 87230), (3172, 79420), (3344, 75335), (3355, 75088), (3610, 69784), (3952, 63745), (3965, 63536), (3971, 63440), (4180, 60268), (4636, 54340), (4693, 53680), (4880, 51623), (4940, 50996), (5368, 46930), (5434, 46360), (5720, 44042), (5776, 43615), (5795, 43472), (6344, 39710), (6710, 37544), (7220, 34892), (7930, 31768), (7942, 31720), (8360, 30134), (8723, 28880), (9272, 27170), (9386, 26840), (9880, 25498), (10736, 23465), (10868, 23180), (11440, 22021), (11590, 21736), (12688, 19855), (12749, 19760), (13420, 18772), (13585, 18544), (14440, 17446), (15067, 16720), (15860, 15884)]