646982640

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1447}}^1$

素因数の和:1498

約数の個数: 240

約数和(自身を含む): 2352849408

約数和(自身を除く): 1705866768

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 48, 54, 60, 69, 72, 80, 81, 90, 92, 108, 115, 120, 135, 138, 144, 162, 180, 184, 207, 216, 230, 240, 243, 270, 276, 324, 345, 360, 368, 405, 414, 432, 460, 486, 540, 552, 621, 648, 690, 720, 810, 828, 920, 972, 1035, 1080, 1104, 1215, 1242, 1296, 1380, 1447, 1620, 1656, 1840, 1863, 1944, 2070, 2160, 2430, 2484, 2760, 2894, 3105, 3240, 3312, 3726, 3888, 4140, 4341, 4860, 4968, 5520, 5589, 5788, 6210, 6480, 7235, 7452, 8280, 8682, 9315, 9720, 9936, 11178, 11576, 12420, 13023, 14470, 14904, 16560, 17364, 18630, 19440, 21705, 22356, 23152, 24840, 26046, 27945, 28940, 29808, 33281, 34728, 37260, 39069, 43410, 44712, 49680, 52092, 55890, 57880, 65115, 66562, 69456, 74520, 78138, 86820, 89424, 99843, 104184, 111780, 115760, 117207, 130230, 133124, 149040, 156276, 166405, 173640, 195345, 199686, 208368, 223560, 234414, 260460, 266248, 299529, 312552, 332810, 347280, 351621, 390690, 399372, 447120, 468828, 499215, 520920, 532496, 586035, 599058, 625104, 665620, 703242, 781380, 798744, 898587, 937656, 998430, 1041840, 1172070, 1198116, 1331240, 1406484, 1497645, 1562760, 1597488, 1758105, 1797174, 1875312, 1996860, 2344140, 2396232, 2662480, 2695761, 2812968, 2995290, 3125520, 3516210, 3594348, 3993720, 4492935, 4688280, 4792464, 5391522, 5625936, 5990580, 7032420, 7188696, 7987440, 8087283, 8985870, 9376560, 10783044, 11981160, 13478805, 14064840, 14377392, 16174566, 17971740, 21566088, 23962320, 26957610, 28129680, 32349132, 35943480, 40436415, 43132176, 53915220, 64698264, 71886960, 80872830, 107830440, 129396528, 161745660, 215660880, 323491320, 646982640]

約数ペア:

[(1, 646982640), (2, 323491320), (3, 215660880), (4, 161745660), (5, 129396528), (6, 107830440), (8, 80872830), (9, 71886960), (10, 64698264), (12, 53915220), (15, 43132176), (16, 40436415), (18, 35943480), (20, 32349132), (23, 28129680), (24, 26957610), (27, 23962320), (30, 21566088), (36, 17971740), (40, 16174566), (45, 14377392), (46, 14064840), (48, 13478805), (54, 11981160), (60, 10783044), (69, 9376560), (72, 8985870), (80, 8087283), (81, 7987440), (90, 7188696), (92, 7032420), (108, 5990580), (115, 5625936), (120, 5391522), (135, 4792464), (138, 4688280), (144, 4492935), (162, 3993720), (180, 3594348), (184, 3516210), (207, 3125520), (216, 2995290), (230, 2812968), (240, 2695761), (243, 2662480), (270, 2396232), (276, 2344140), (324, 1996860), (345, 1875312), (360, 1797174), (368, 1758105), (405, 1597488), (414, 1562760), (432, 1497645), (460, 1406484), (486, 1331240), (540, 1198116), (552, 1172070), (621, 1041840), (648, 998430), (690, 937656), (720, 898587), (810, 798744), (828, 781380), (920, 703242), (972, 665620), (1035, 625104), (1080, 599058), (1104, 586035), (1215, 532496), (1242, 520920), (1296, 499215), (1380, 468828), (1447, 447120), (1620, 399372), (1656, 390690), (1840, 351621), (1863, 347280), (1944, 332810), (2070, 312552), (2160, 299529), (2430, 266248), (2484, 260460), (2760, 234414), (2894, 223560), (3105, 208368), (3240, 199686), (3312, 195345), (3726, 173640), (3888, 166405), (4140, 156276), (4341, 149040), (4860, 133124), (4968, 130230), (5520, 117207), (5589, 115760), (5788, 111780), (6210, 104184), (6480, 99843), (7235, 89424), (7452, 86820), (8280, 78138), (8682, 74520), (9315, 69456), (9720, 66562), (9936, 65115), (11178, 57880), (11576, 55890), (12420, 52092), (13023, 49680), (14470, 44712), (14904, 43410), (16560, 39069), (17364, 37260), (18630, 34728), (19440, 33281), (21705, 29808), (22356, 28940), (23152, 27945), (24840, 26046)]