19909660680

素因数分解:

$2^3\times 3^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:154

約数の個数: 1024

約数和(自身を含む): 86094489600

約数和(自身を除く): 66184828920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 27, 28, 30, 35, 36, 39, 40, 41, 42, 45, 52, 54, 56, 60, 61, 63, 65, 70, 72, 78, 81, 82, 84, 90, 91, 104, 105, 108, 117, 120, 122, 123, 126, 130, 135, 140, 156, 162, 164, 168, 180, 182, 183, 189, 195, 205, 210, 216, 234, 243, 244, 246, 252, 260, 270, 273, 280, 287, 305, 312, 315, 324, 328, 351, 360, 364, 366, 369, 378, 390, 405, 410, 420, 427, 455, 468, 486, 488, 492, 504, 520, 533, 540, 546, 549, 567, 574, 585, 610, 615, 630, 648, 702, 728, 729, 732, 738, 756, 780, 793, 810, 819, 820, 840, 854, 861, 910, 915, 936, 945, 972, 984, 1053, 1066, 1080, 1092, 1098, 1107, 1134, 1148, 1170, 1215, 1220, 1230, 1260, 1281, 1365, 1404, 1435, 1458, 1464, 1476, 1512, 1560, 1586, 1599, 1620, 1638, 1640, 1647, 1701, 1708, 1722, 1755, 1820, 1830, 1845, 1890, 1944, 2106, 2132, 2135, 2184, 2187, 2196, 2214, 2268, 2296, 2340, 2379, 2430, 2440, 2457, 2460, 2501, 2520, 2562, 2583, 2665, 2730, 2745, 2808, 2835, 2870, 2916, 2952, 3159, 3172, 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448335, 449631, 450180, 455182, 461160, 464940, 472689, 487695, 499590, 503685, 513864, 518076, 518805, 525210, 530712, 533628, 540216, 557928, 568620, 575640, 578097, 585234, 592920, 597780, 599508, 604422, 607743, 612360, 622566, 627669, 630252, 642330, 647595, 650260, 663390, 666120, 667035, 671580, 675270, 682773, 691740, 697410, 700280, 717336, 749385, 770796, 777114, 780312, 787815, 796068, 805896, 810324, 830088, 836892, 856440, 863460, 877851, 884520, 889380, 896670, 899262, 900360, 906633, 910364, 929880, 933849, 945378, 963495, 975390, 995085, 999180, 1007370, 1012905, 1036152, 1037610, 1046115, 1050420, 1067256, 1137240, 1137955, 1156194, 1165671, 1170468, 1195560, 1199016, 1208844, 1215486, 1245132, 1255338, 1260504, 1284660, 1295190, 1300520, 1326780, 1334070, 1343160, 1348893, 1350540, 1365546, 1383480, 1394820, 1418067, 1463085, 1498770, 1511055, 1541592, 1554228, 1556415, 1575630, 1592136, 1620648, 1673784, 1726920, 1734291, 1755702, 1778760, 1793340, 1798524, 1813266, 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約数ペア:

[(1, 19909660680), (2, 9954830340), (3, 6636553560), (4, 4977415170), (5, 3981932136), (6, 3318276780), (7, 2844237240), (8, 2488707585), (9, 2212184520), (10, 1990966068), (12, 1659138390), (13, 1531512360), (14, 1422118620), (15, 1327310712), (18, 1106092260), (20, 995483034), (21, 948079080), (24, 829569195), (26, 765756180), (27, 737394840), (28, 711059310), (30, 663655356), (35, 568847448), (36, 553046130), (39, 510504120), (40, 497741517), (41, 485601480), (42, 474039540), (45, 442436904), (52, 382878090), (54, 368697420), (56, 355529655), (60, 331827678), (61, 326387880), (63, 316026360), (65, 306302472), (70, 284423724), (72, 276523065), (78, 255252060), (81, 245798280), (82, 242800740), (84, 237019770), (90, 221218452), (91, 218787480), (104, 191439045), (105, 189615816), (108, 184348710), (117, 170168040), (120, 165913839), (122, 163193940), (123, 161867160), (126, 158013180), (130, 153151236), (135, 147478968), (140, 142211862), (156, 127626030), (162, 122899140), (164, 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