648380880

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1249}}^1$

素因数の和:1378

約数の個数: 240

約数和(自身を含む): 2514720000

約数和(自身を除く): 1866339120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 103, 105, 112, 120, 126, 140, 144, 168, 180, 206, 210, 240, 252, 280, 309, 315, 336, 360, 412, 420, 504, 515, 560, 618, 630, 720, 721, 824, 840, 927, 1008, 1030, 1236, 1249, 1260, 1442, 1545, 1648, 1680, 1854, 2060, 2163, 2472, 2498, 2520, 2884, 3090, 3605, 3708, 3747, 4120, 4326, 4635, 4944, 4996, 5040, 5768, 6180, 6245, 6489, 7210, 7416, 7494, 8240, 8652, 8743, 9270, 9992, 10815, 11241, 11536, 12360, 12490, 12978, 14420, 14832, 14988, 17304, 17486, 18540, 18735, 19984, 21630, 22482, 24720, 24980, 25956, 26229, 28840, 29976, 32445, 34608, 34972, 37080, 37470, 43260, 43715, 44964, 49960, 51912, 52458, 56205, 57680, 59952, 64890, 69944, 74160, 74940, 78687, 86520, 87430, 89928, 99920, 103824, 104916, 112410, 128647, 129780, 131145, 139888, 149880, 157374, 173040, 174860, 179856, 209832, 224820, 257294, 259560, 262290, 299760, 314748, 349720, 385941, 393435, 419664, 449640, 514588, 519120, 524580, 629496, 643235, 699440, 771882, 786870, 899280, 900529, 1029176, 1049160, 1157823, 1258992, 1286470, 1543764, 1573740, 1801058, 1929705, 2058352, 2098320, 2315646, 2572940, 2701587, 3087528, 3147480, 3602116, 3859410, 4502645, 4631292, 5145880, 5403174, 5789115, 6175056, 6294960, 7204232, 7718820, 8104761, 9005290, 9262584, 10291760, 10806348, 11578230, 13507935, 14408464, 15437640, 16209522, 18010580, 18525168, 21612696, 23156460, 27015870, 30875280, 32419044, 36021160, 40523805, 43225392, 46312920, 54031740, 64838088, 72042320, 81047610, 92625840, 108063480, 129676176, 162095220, 216126960, 324190440, 648380880]

約数ペア:

[(1, 648380880), (2, 324190440), (3, 216126960), (4, 162095220), (5, 129676176), (6, 108063480), (7, 92625840), (8, 81047610), (9, 72042320), (10, 64838088), (12, 54031740), (14, 46312920), (15, 43225392), (16, 40523805), (18, 36021160), (20, 32419044), (21, 30875280), (24, 27015870), (28, 23156460), (30, 21612696), (35, 18525168), (36, 18010580), (40, 16209522), (42, 15437640), (45, 14408464), (48, 13507935), (56, 11578230), (60, 10806348), (63, 10291760), (70, 9262584), (72, 9005290), (80, 8104761), (84, 7718820), (90, 7204232), (103, 6294960), (105, 6175056), (112, 5789115), (120, 5403174), (126, 5145880), (140, 4631292), (144, 4502645), (168, 3859410), (180, 3602116), (206, 3147480), (210, 3087528), (240, 2701587), (252, 2572940), (280, 2315646), (309, 2098320), (315, 2058352), (336, 1929705), (360, 1801058), (412, 1573740), (420, 1543764), (504, 1286470), (515, 1258992), (560, 1157823), (618, 1049160), (630, 1029176), (720, 900529), (721, 899280), (824, 786870), (840, 771882), (927, 699440), (1008, 643235), (1030, 629496), (1236, 524580), (1249, 519120), (1260, 514588), (1442, 449640), (1545, 419664), (1648, 393435), (1680, 385941), (1854, 349720), (2060, 314748), (2163, 299760), (2472, 262290), (2498, 259560), (2520, 257294), (2884, 224820), (3090, 209832), (3605, 179856), (3708, 174860), (3747, 173040), (4120, 157374), (4326, 149880), (4635, 139888), (4944, 131145), (4996, 129780), (5040, 128647), (5768, 112410), (6180, 104916), (6245, 103824), (6489, 99920), (7210, 89928), (7416, 87430), (7494, 86520), (8240, 78687), (8652, 74940), (8743, 74160), (9270, 69944), (9992, 64890), (10815, 59952), (11241, 57680), (11536, 56205), (12360, 52458), (12490, 51912), (12978, 49960), (14420, 44964), (14832, 43715), (14988, 43260), (17304, 37470), (17486, 37080), (18540, 34972), (18735, 34608), (19984, 32445), (21630, 29976), (22482, 28840), (24720, 26229), (24980, 25956)]