18797450280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{67607}}^1$

素因数の和:67959

約数の個数: 128

約数和(自身を含む): 64644065280

約数和(自身を除く): 45846615000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 331, 420, 662, 840, 993, 1324, 1655, 1986, 2317, 2648, 3310, 3972, 4634, 4965, 6620, 6951, 7944, 9268, 9930, 11585, 13240, 13902, 18536, 19860, 23170, 27804, 34755, 39720, 46340, 55608, 67607, 69510, 92680, 135214, 139020, 202821, 270428, 278040, 338035, 405642, 473249, 540856, 676070, 811284, 946498, 1014105, 1352140, 1419747, 1622568, 1892996, 2028210, 2366245, 2704280, 2839494, 3785992, 4056420, 4732490, 5678988, 7098735, 8112840, 9464980, 11357976, 14197470, 18929960, 22377917, 28394940, 44755834, 56789880, 67133751, 89511668, 111889585, 134267502, 156645419, 179023336, 223779170, 268535004, 313290838, 335668755, 447558340, 469936257, 537070008, 626581676, 671337510, 783227095, 895116680, 939872514, 1253163352, 1342675020, 1566454190, 1879745028, 2349681285, 2685350040, 3132908380, 3759490056, 4699362570, 6265816760, 9398725140, 18797450280]

約数ペア:

[(1, 18797450280), (2, 9398725140), (3, 6265816760), (4, 4699362570), (5, 3759490056), (6, 3132908380), (7, 2685350040), (8, 2349681285), (10, 1879745028), (12, 1566454190), (14, 1342675020), (15, 1253163352), (20, 939872514), (21, 895116680), (24, 783227095), (28, 671337510), (30, 626581676), (35, 537070008), (40, 469936257), (42, 447558340), (56, 335668755), (60, 313290838), (70, 268535004), (84, 223779170), (105, 179023336), (120, 156645419), (140, 134267502), (168, 111889585), (210, 89511668), (280, 67133751), (331, 56789880), (420, 44755834), (662, 28394940), (840, 22377917), (993, 18929960), (1324, 14197470), (1655, 11357976), (1986, 9464980), (2317, 8112840), (2648, 7098735), (3310, 5678988), (3972, 4732490), (4634, 4056420), (4965, 3785992), (6620, 2839494), (6951, 2704280), (7944, 2366245), (9268, 2028210), (9930, 1892996), (11585, 1622568), (13240, 1419747), (13902, 1352140), (18536, 1014105), (19860, 946498), (23170, 811284), (27804, 676070), (34755, 540856), (39720, 473249), (46340, 405642), (55608, 338035), (67607, 278040), (69510, 270428), (92680, 202821), (135214, 139020)]