644779980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1733}}^1$

素因数の和:1817

約数の個数: 192

約数和(自身を含む): 2202318720

約数和(自身を除く): 1557538740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 53, 54, 60, 65, 78, 90, 106, 108, 117, 130, 135, 156, 159, 180, 195, 212, 234, 260, 265, 270, 318, 351, 390, 468, 477, 530, 540, 585, 636, 689, 702, 780, 795, 954, 1060, 1170, 1378, 1404, 1431, 1590, 1733, 1755, 1908, 2067, 2340, 2385, 2756, 2862, 3180, 3445, 3466, 3510, 4134, 4770, 5199, 5724, 6201, 6890, 6932, 7020, 7155, 8268, 8665, 9540, 10335, 10398, 12402, 13780, 14310, 15597, 17330, 18603, 20670, 20796, 22529, 24804, 25995, 28620, 31005, 31194, 34660, 37206, 41340, 45058, 46791, 51990, 62010, 62388, 67587, 74412, 77985, 90116, 91849, 93015, 93582, 103980, 112645, 124020, 135174, 155970, 183698, 186030, 187164, 202761, 225290, 233955, 270348, 275547, 311940, 337935, 367396, 372060, 405522, 450580, 459245, 467910, 551094, 608283, 675870, 811044, 826641, 918490, 935820, 1013805, 1102188, 1194037, 1216566, 1351740, 1377735, 1653282, 1836980, 2027610, 2388074, 2433132, 2479923, 2755470, 3041415, 3306564, 3582111, 4055220, 4133205, 4776148, 4959846, 5510940, 5970185, 6082830, 7164222, 8266410, 9919692, 10746333, 11940370, 12165660, 12399615, 14328444, 16532820, 17910555, 21492666, 23880740, 24799230, 32238999, 35821110, 42985332, 49598460, 53731665, 64477998, 71642220, 107463330, 128955996, 161194995, 214926660, 322389990, 644779980]

約数ペア:

[(1, 644779980), (2, 322389990), (3, 214926660), (4, 161194995), (5, 128955996), (6, 107463330), (9, 71642220), (10, 64477998), (12, 53731665), (13, 49598460), (15, 42985332), (18, 35821110), (20, 32238999), (26, 24799230), (27, 23880740), (30, 21492666), (36, 17910555), (39, 16532820), (45, 14328444), (52, 12399615), (53, 12165660), (54, 11940370), (60, 10746333), (65, 9919692), (78, 8266410), (90, 7164222), (106, 6082830), (108, 5970185), (117, 5510940), (130, 4959846), (135, 4776148), (156, 4133205), (159, 4055220), (180, 3582111), (195, 3306564), (212, 3041415), (234, 2755470), (260, 2479923), (265, 2433132), (270, 2388074), (318, 2027610), (351, 1836980), (390, 1653282), (468, 1377735), (477, 1351740), (530, 1216566), (540, 1194037), (585, 1102188), (636, 1013805), (689, 935820), (702, 918490), (780, 826641), (795, 811044), (954, 675870), (1060, 608283), (1170, 551094), (1378, 467910), (1404, 459245), (1431, 450580), (1590, 405522), (1733, 372060), (1755, 367396), (1908, 337935), (2067, 311940), (2340, 275547), (2385, 270348), (2756, 233955), (2862, 225290), (3180, 202761), (3445, 187164), (3466, 186030), (3510, 183698), (4134, 155970), (4770, 135174), (5199, 124020), (5724, 112645), (6201, 103980), (6890, 93582), (6932, 93015), (7020, 91849), (7155, 90116), (8268, 77985), (8665, 74412), (9540, 67587), (10335, 62388), (10398, 62010), (12402, 51990), (13780, 46791), (14310, 45058), (15597, 41340), (17330, 37206), (18603, 34660), (20670, 31194), (20796, 31005), (22529, 28620), (24804, 25995)]