155543960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{383}}^1$

素因数の和:489

約数の個数: 128

約数和(自身を含む): 418037760

約数和(自身を除く): 262493800

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 71, 88, 104, 110, 130, 142, 143, 220, 260, 284, 286, 355, 383, 440, 520, 568, 572, 710, 715, 766, 781, 923, 1144, 1420, 1430, 1532, 1562, 1846, 1915, 2840, 2860, 3064, 3124, 3692, 3830, 3905, 4213, 4615, 4979, 5720, 6248, 7384, 7660, 7810, 8426, 9230, 9958, 10153, 15320, 15620, 16852, 18460, 19916, 20306, 21065, 24895, 27193, 31240, 33704, 36920, 39832, 40612, 42130, 49790, 50765, 54386, 54769, 81224, 84260, 99580, 101530, 108772, 109538, 135965, 168520, 199160, 203060, 217544, 219076, 271930, 273845, 299123, 353509, 406120, 438152, 543860, 547690, 598246, 707018, 1087720, 1095380, 1196492, 1414036, 1495615, 1767545, 2190760, 2392984, 2828072, 2991230, 3535090, 3888599, 5982460, 7070180, 7777198, 11964920, 14140360, 15554396, 19442995, 31108792, 38885990, 77771980, 155543960]

約数ペア:

[(1, 155543960), (2, 77771980), (4, 38885990), (5, 31108792), (8, 19442995), (10, 15554396), (11, 14140360), (13, 11964920), (20, 7777198), (22, 7070180), (26, 5982460), (40, 3888599), (44, 3535090), (52, 2991230), (55, 2828072), (65, 2392984), (71, 2190760), (88, 1767545), (104, 1495615), (110, 1414036), (130, 1196492), (142, 1095380), (143, 1087720), (220, 707018), (260, 598246), (284, 547690), (286, 543860), (355, 438152), (383, 406120), (440, 353509), (520, 299123), (568, 273845), (572, 271930), (710, 219076), (715, 217544), (766, 203060), (781, 199160), (923, 168520), (1144, 135965), (1420, 109538), (1430, 108772), (1532, 101530), (1562, 99580), (1846, 84260), (1915, 81224), (2840, 54769), (2860, 54386), (3064, 50765), (3124, 49790), (3692, 42130), (3830, 40612), (3905, 39832), (4213, 36920), (4615, 33704), (4979, 31240), (5720, 27193), (6248, 24895), (7384, 21065), (7660, 20306), (7810, 19916), (8426, 18460), (9230, 16852), (9958, 15620), (10153, 15320)]