688988640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2437}}^1$

素因数の和:2505

約数の個数: 192

約数和(自身を含む): 2359203840

約数和(自身を除く): 1670215200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 31, 32, 38, 40, 48, 57, 60, 62, 76, 80, 93, 95, 96, 114, 120, 124, 152, 155, 160, 186, 190, 228, 240, 248, 285, 304, 310, 372, 380, 456, 465, 480, 496, 570, 589, 608, 620, 744, 760, 912, 930, 992, 1140, 1178, 1240, 1488, 1520, 1767, 1824, 1860, 2280, 2356, 2437, 2480, 2945, 2976, 3040, 3534, 3720, 4560, 4712, 4874, 4960, 5890, 7068, 7311, 7440, 8835, 9120, 9424, 9748, 11780, 12185, 14136, 14622, 14880, 17670, 18848, 19496, 23560, 24370, 28272, 29244, 35340, 36555, 38992, 46303, 47120, 48740, 56544, 58488, 70680, 73110, 75547, 77984, 92606, 94240, 97480, 116976, 138909, 141360, 146220, 151094, 185212, 194960, 226641, 231515, 233952, 277818, 282720, 292440, 302188, 370424, 377735, 389920, 453282, 463030, 555636, 584880, 604376, 694545, 740848, 755470, 906564, 926060, 1111272, 1133205, 1169760, 1208752, 1389090, 1435393, 1481696, 1510940, 1813128, 1852120, 2222544, 2266410, 2417504, 2778180, 2870786, 3021880, 3626256, 3704240, 4306179, 4445088, 4532820, 5556360, 5741572, 6043760, 7176965, 7252512, 7408480, 8612358, 9065640, 11112720, 11483144, 12087520, 14353930, 17224716, 18131280, 21530895, 22225440, 22966288, 28707860, 34449432, 36262560, 43061790, 45932576, 57415720, 68898864, 86123580, 114831440, 137797728, 172247160, 229662880, 344494320, 688988640]

約数ペア:

[(1, 688988640), (2, 344494320), (3, 229662880), (4, 172247160), (5, 137797728), (6, 114831440), (8, 86123580), (10, 68898864), (12, 57415720), (15, 45932576), (16, 43061790), (19, 36262560), (20, 34449432), (24, 28707860), (30, 22966288), (31, 22225440), (32, 21530895), (38, 18131280), (40, 17224716), (48, 14353930), (57, 12087520), (60, 11483144), (62, 11112720), (76, 9065640), (80, 8612358), (93, 7408480), (95, 7252512), (96, 7176965), (114, 6043760), (120, 5741572), (124, 5556360), (152, 4532820), (155, 4445088), (160, 4306179), (186, 3704240), (190, 3626256), (228, 3021880), (240, 2870786), (248, 2778180), (285, 2417504), (304, 2266410), (310, 2222544), (372, 1852120), (380, 1813128), (456, 1510940), (465, 1481696), (480, 1435393), (496, 1389090), (570, 1208752), (589, 1169760), (608, 1133205), (620, 1111272), (744, 926060), (760, 906564), (912, 755470), (930, 740848), (992, 694545), (1140, 604376), (1178, 584880), (1240, 555636), (1488, 463030), (1520, 453282), (1767, 389920), (1824, 377735), (1860, 370424), (2280, 302188), (2356, 292440), (2437, 282720), (2480, 277818), (2945, 233952), (2976, 231515), (3040, 226641), (3534, 194960), (3720, 185212), (4560, 151094), (4712, 146220), (4874, 141360), (4960, 138909), (5890, 116976), (7068, 97480), (7311, 94240), (7440, 92606), (8835, 77984), (9120, 75547), (9424, 73110), (9748, 70680), (11780, 58488), (12185, 56544), (14136, 48740), (14622, 47120), (14880, 46303), (17670, 38992), (18848, 36555), (19496, 35340), (23560, 29244), (24370, 28272)]