281005440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{7703}}^1$

素因数の和:7744

約数の個数: 128

約数和(自身を含む): 942969600

約数和(自身を除く): 661964160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 128, 152, 160, 190, 192, 228, 240, 285, 304, 320, 380, 384, 456, 480, 570, 608, 640, 760, 912, 960, 1140, 1216, 1520, 1824, 1920, 2280, 2432, 3040, 3648, 4560, 6080, 7296, 7703, 9120, 12160, 15406, 18240, 23109, 30812, 36480, 38515, 46218, 61624, 77030, 92436, 115545, 123248, 146357, 154060, 184872, 231090, 246496, 292714, 308120, 369744, 439071, 462180, 492992, 585428, 616240, 731785, 739488, 878142, 924360, 985984, 1170856, 1232480, 1463570, 1478976, 1756284, 1848720, 2195355, 2341712, 2464960, 2927140, 2957952, 3512568, 3697440, 4390710, 4683424, 4929920, 5854280, 7025136, 7394880, 8781420, 9366848, 11708560, 14050272, 14789760, 17562840, 18733696, 23417120, 28100544, 35125680, 46834240, 56201088, 70251360, 93668480, 140502720, 281005440]

約数ペア:

[(1, 281005440), (2, 140502720), (3, 93668480), (4, 70251360), (5, 56201088), (6, 46834240), (8, 35125680), (10, 28100544), (12, 23417120), (15, 18733696), (16, 17562840), (19, 14789760), (20, 14050272), (24, 11708560), (30, 9366848), (32, 8781420), (38, 7394880), (40, 7025136), (48, 5854280), (57, 4929920), (60, 4683424), (64, 4390710), (76, 3697440), (80, 3512568), (95, 2957952), (96, 2927140), (114, 2464960), (120, 2341712), (128, 2195355), (152, 1848720), (160, 1756284), (190, 1478976), (192, 1463570), (228, 1232480), (240, 1170856), (285, 985984), (304, 924360), (320, 878142), (380, 739488), (384, 731785), (456, 616240), (480, 585428), (570, 492992), (608, 462180), (640, 439071), (760, 369744), (912, 308120), (960, 292714), (1140, 246496), (1216, 231090), (1520, 184872), (1824, 154060), (1920, 146357), (2280, 123248), (2432, 115545), (3040, 92436), (3648, 77030), (4560, 61624), (6080, 46218), (7296, 38515), (7703, 36480), (9120, 30812), (12160, 23109), (15406, 18240)]