668179980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{1009}}^1$

素因数の和:1320

約数の個数: 144

約数和(自身を含む): 2192604960

約数和(自身を除く): 1524424980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 283, 390, 468, 566, 585, 780, 849, 1009, 1132, 1170, 1415, 1698, 2018, 2340, 2547, 2830, 3027, 3396, 3679, 4036, 4245, 5045, 5094, 5660, 6054, 7358, 8490, 9081, 10090, 10188, 11037, 12108, 12735, 13117, 14716, 15135, 16980, 18162, 18395, 20180, 22074, 25470, 26234, 30270, 33111, 36324, 36790, 39351, 44148, 45405, 50940, 52468, 55185, 60540, 65585, 66222, 73580, 78702, 90810, 110370, 118053, 131170, 132444, 157404, 165555, 181620, 196755, 220740, 236106, 262340, 285547, 331110, 393510, 472212, 571094, 590265, 662220, 787020, 856641, 1142188, 1180530, 1427735, 1713282, 2361060, 2569923, 2855470, 3426564, 3712111, 4283205, 5139846, 5710940, 7424222, 8566410, 10279692, 11136333, 12849615, 14848444, 17132820, 18560555, 22272666, 25699230, 33408999, 37121110, 44545332, 51398460, 55681665, 66817998, 74242220, 111363330, 133635996, 167044995, 222726660, 334089990, 668179980]

約数ペア:

[(1, 668179980), (2, 334089990), (3, 222726660), (4, 167044995), (5, 133635996), (6, 111363330), (9, 74242220), (10, 66817998), (12, 55681665), (13, 51398460), (15, 44545332), (18, 37121110), (20, 33408999), (26, 25699230), (30, 22272666), (36, 18560555), (39, 17132820), (45, 14848444), (52, 12849615), (60, 11136333), (65, 10279692), (78, 8566410), (90, 7424222), (117, 5710940), (130, 5139846), (156, 4283205), (180, 3712111), (195, 3426564), (234, 2855470), (260, 2569923), (283, 2361060), (390, 1713282), (468, 1427735), (566, 1180530), (585, 1142188), (780, 856641), (849, 787020), (1009, 662220), (1132, 590265), (1170, 571094), (1415, 472212), (1698, 393510), (2018, 331110), (2340, 285547), (2547, 262340), (2830, 236106), (3027, 220740), (3396, 196755), (3679, 181620), (4036, 165555), (4245, 157404), (5045, 132444), (5094, 131170), (5660, 118053), (6054, 110370), (7358, 90810), (8490, 78702), (9081, 73580), (10090, 66222), (10188, 65585), (11037, 60540), (12108, 55185), (12735, 52468), (13117, 50940), (14716, 45405), (15135, 44148), (16980, 39351), (18162, 36790), (18395, 36324), (20180, 33111), (22074, 30270), (25470, 26234)]