531411920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{311}}^1$

素因数の和:421

約数の個数: 160

約数和(自身を含む): 1403910144

約数和(自身を除く): 872498224

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 53, 62, 65, 80, 104, 106, 124, 130, 155, 208, 212, 248, 260, 265, 310, 311, 403, 424, 496, 520, 530, 620, 622, 689, 806, 848, 1040, 1060, 1240, 1244, 1378, 1555, 1612, 1643, 2015, 2120, 2480, 2488, 2756, 3110, 3224, 3286, 3445, 4030, 4043, 4240, 4976, 5512, 6220, 6448, 6572, 6890, 8060, 8086, 8215, 9641, 11024, 12440, 13144, 13780, 16120, 16172, 16430, 16483, 19282, 20215, 21359, 24880, 26288, 27560, 32240, 32344, 32860, 32966, 38564, 40430, 42718, 48205, 55120, 64688, 65720, 65932, 77128, 80860, 82415, 85436, 96410, 106795, 125333, 131440, 131864, 154256, 161720, 164830, 170872, 192820, 213590, 214279, 250666, 263728, 323440, 329660, 341744, 385640, 427180, 428558, 501332, 510973, 626665, 659320, 771280, 854360, 857116, 1002664, 1021946, 1071395, 1253330, 1318640, 1708720, 1714232, 2005328, 2043892, 2142790, 2506660, 2554865, 3428464, 4087784, 4285580, 5013320, 5109730, 6642649, 8175568, 8571160, 10026640, 10219460, 13285298, 17142320, 20438920, 26570596, 33213245, 40877840, 53141192, 66426490, 106282384, 132852980, 265705960, 531411920]

約数ペア:

[(1, 531411920), (2, 265705960), (4, 132852980), (5, 106282384), (8, 66426490), (10, 53141192), (13, 40877840), (16, 33213245), (20, 26570596), (26, 20438920), (31, 17142320), (40, 13285298), (52, 10219460), (53, 10026640), (62, 8571160), (65, 8175568), (80, 6642649), (104, 5109730), (106, 5013320), (124, 4285580), (130, 4087784), (155, 3428464), (208, 2554865), (212, 2506660), (248, 2142790), (260, 2043892), (265, 2005328), (310, 1714232), (311, 1708720), (403, 1318640), (424, 1253330), (496, 1071395), (520, 1021946), (530, 1002664), (620, 857116), (622, 854360), (689, 771280), (806, 659320), (848, 626665), (1040, 510973), (1060, 501332), (1240, 428558), (1244, 427180), (1378, 385640), (1555, 341744), (1612, 329660), (1643, 323440), (2015, 263728), (2120, 250666), (2480, 214279), (2488, 213590), (2756, 192820), (3110, 170872), (3224, 164830), (3286, 161720), (3445, 154256), (4030, 131864), (4043, 131440), (4240, 125333), (4976, 106795), (5512, 96410), (6220, 85436), (6448, 82415), (6572, 80860), (6890, 77128), (8060, 65932), (8086, 65720), (8215, 64688), (9641, 55120), (11024, 48205), (12440, 42718), (13144, 40430), (13780, 38564), (16120, 32966), (16172, 32860), (16430, 32344), (16483, 32240), (19282, 27560), (20215, 26288), (21359, 24880)]