1499189680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:172

約数の個数: 240

約数和(自身を含む): 4007047104

約数和(自身を除く): 2507857424

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 37, 38, 40, 46, 61, 74, 76, 80, 92, 95, 115, 122, 148, 152, 184, 185, 190, 230, 244, 296, 304, 305, 361, 368, 370, 380, 437, 460, 488, 592, 610, 703, 722, 740, 760, 851, 874, 920, 976, 1159, 1220, 1403, 1406, 1444, 1480, 1520, 1702, 1748, 1805, 1840, 2185, 2257, 2318, 2440, 2806, 2812, 2888, 2960, 3404, 3496, 3515, 3610, 4255, 4370, 4514, 4636, 4880, 5612, 5624, 5776, 5795, 6808, 6992, 7015, 7030, 7220, 8303, 8510, 8740, 9028, 9272, 11224, 11248, 11285, 11590, 13357, 13616, 14030, 14060, 14440, 16169, 16606, 17020, 17480, 18056, 18544, 22021, 22448, 22570, 23180, 26657, 26714, 28060, 28120, 28880, 32338, 33212, 34040, 34960, 36112, 41515, 42883, 44042, 45140, 46360, 51911, 53314, 53428, 56120, 56240, 64676, 66424, 66785, 68080, 80845, 83030, 85766, 88084, 90280, 92720, 103822, 106628, 106856, 110105, 112240, 129352, 132848, 133285, 133570, 161690, 166060, 171532, 176168, 180560, 207644, 213256, 213712, 214415, 220210, 258704, 259555, 266570, 267140, 307211, 323380, 332120, 343064, 352336, 415288, 426512, 428830, 440420, 506483, 519110, 533140, 534280, 614422, 646760, 664240, 686128, 814777, 830576, 857660, 880840, 986309, 1012966, 1038220, 1066280, 1068560, 1228844, 1293520, 1536055, 1629554, 1715320, 1761680, 1972618, 2025932, 2076440, 2132560, 2457688, 2532415, 3072110, 3259108, 3430640, 3945236, 4051864, 4073885, 4152880, 4915376, 4931545, 5064830, 6144220, 6518216, 7890472, 8103728, 8147770, 9863090, 10129660, 12288440, 13036432, 15780944, 16295540, 18739871, 19726180, 20259320, 24576880, 32591080, 37479742, 39452360, 40518640, 65182160, 74959484, 78904720, 93699355, 149918968, 187398710, 299837936, 374797420, 749594840, 1499189680]

約数ペア:

[(1, 1499189680), (2, 749594840), (4, 374797420), (5, 299837936), (8, 187398710), (10, 149918968), (16, 93699355), (19, 78904720), (20, 74959484), (23, 65182160), (37, 40518640), (38, 39452360), (40, 37479742), (46, 32591080), (61, 24576880), (74, 20259320), (76, 19726180), (80, 18739871), (92, 16295540), (95, 15780944), (115, 13036432), (122, 12288440), (148, 10129660), (152, 9863090), (184, 8147770), (185, 8103728), (190, 7890472), (230, 6518216), (244, 6144220), (296, 5064830), (304, 4931545), (305, 4915376), (361, 4152880), (368, 4073885), (370, 4051864), (380, 3945236), (437, 3430640), (460, 3259108), (488, 3072110), (592, 2532415), (610, 2457688), (703, 2132560), (722, 2076440), (740, 2025932), (760, 1972618), (851, 1761680), (874, 1715320), (920, 1629554), (976, 1536055), (1159, 1293520), (1220, 1228844), (1403, 1068560), (1406, 1066280), (1444, 1038220), (1480, 1012966), (1520, 986309), (1702, 880840), (1748, 857660), (1805, 830576), (1840, 814777), (2185, 686128), (2257, 664240), (2318, 646760), (2440, 614422), (2806, 534280), (2812, 533140), (2888, 519110), (2960, 506483), (3404, 440420), (3496, 428830), (3515, 426512), (3610, 415288), (4255, 352336), (4370, 343064), (4514, 332120), (4636, 323380), (4880, 307211), (5612, 267140), (5624, 266570), (5776, 259555), (5795, 258704), (6808, 220210), (6992, 214415), (7015, 213712), (7030, 213256), (7220, 207644), (8303, 180560), (8510, 176168), (8740, 171532), (9028, 166060), (9272, 161690), (11224, 133570), (11248, 133285), (11285, 132848), (11590, 129352), (13357, 112240), (13616, 110105), (14030, 106856), (14060, 106628), (14440, 103822), (16169, 92720), (16606, 90280), (17020, 88084), (17480, 85766), (18056, 83030), (18544, 80845), (22021, 68080), (22448, 66785), (22570, 66424), (23180, 64676), (26657, 56240), (26714, 56120), (28060, 53428), (28120, 53314), (28880, 51911), (32338, 46360), (33212, 45140), (34040, 44042), (34960, 42883), (36112, 41515)]