18627280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:117

約数の個数: 160

約数和(自身を含む): 54282240

約数和(自身を除く): 35654960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 31, 35, 37, 40, 56, 58, 62, 70, 74, 80, 112, 116, 124, 140, 145, 148, 155, 185, 203, 217, 232, 248, 259, 280, 290, 296, 310, 370, 406, 434, 464, 496, 518, 560, 580, 592, 620, 740, 812, 868, 899, 1015, 1036, 1073, 1085, 1147, 1160, 1240, 1295, 1480, 1624, 1736, 1798, 2030, 2072, 2146, 2170, 2294, 2320, 2480, 2590, 2960, 3248, 3472, 3596, 4060, 4144, 4292, 4340, 4495, 4588, 5180, 5365, 5735, 6293, 7192, 7511, 8029, 8120, 8584, 8680, 8990, 9176, 10360, 10730, 11470, 12586, 14384, 15022, 16058, 16240, 17168, 17360, 17980, 18352, 20720, 21460, 22940, 25172, 30044, 31465, 32116, 33263, 35960, 37555, 40145, 42920, 45880, 50344, 60088, 62930, 64232, 66526, 71920, 75110, 80290, 85840, 91760, 100688, 120176, 125860, 128464, 133052, 150220, 160580, 166315, 232841, 251720, 266104, 300440, 321160, 332630, 465682, 503440, 532208, 600880, 642320, 665260, 931364, 1164205, 1330520, 1862728, 2328410, 2661040, 3725456, 4656820, 9313640, 18627280]

約数ペア:

[(1, 18627280), (2, 9313640), (4, 4656820), (5, 3725456), (7, 2661040), (8, 2328410), (10, 1862728), (14, 1330520), (16, 1164205), (20, 931364), (28, 665260), (29, 642320), (31, 600880), (35, 532208), (37, 503440), (40, 465682), (56, 332630), (58, 321160), (62, 300440), (70, 266104), (74, 251720), (80, 232841), (112, 166315), (116, 160580), (124, 150220), (140, 133052), (145, 128464), (148, 125860), (155, 120176), (185, 100688), (203, 91760), (217, 85840), (232, 80290), (248, 75110), (259, 71920), (280, 66526), (290, 64232), (296, 62930), (310, 60088), (370, 50344), (406, 45880), (434, 42920), (464, 40145), (496, 37555), (518, 35960), (560, 33263), (580, 32116), (592, 31465), (620, 30044), (740, 25172), (812, 22940), (868, 21460), (899, 20720), (1015, 18352), (1036, 17980), (1073, 17360), (1085, 17168), (1147, 16240), (1160, 16058), (1240, 15022), (1295, 14384), (1480, 12586), (1624, 11470), (1736, 10730), (1798, 10360), (2030, 9176), (2072, 8990), (2146, 8680), (2170, 8584), (2294, 8120), (2320, 8029), (2480, 7511), (2590, 7192), (2960, 6293), (3248, 5735), (3472, 5365), (3596, 5180), (4060, 4588), (4144, 4495), (4292, 4340)]