61541820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{269}}^1$

素因数の和:356

約数の個数: 144

約数和(自身を含む): 198132480

約数和(自身を除く): 136590660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 41, 45, 60, 62, 82, 90, 93, 123, 124, 155, 164, 180, 186, 205, 246, 269, 279, 310, 369, 372, 410, 465, 492, 538, 558, 615, 620, 738, 807, 820, 930, 1076, 1116, 1230, 1271, 1345, 1395, 1476, 1614, 1845, 1860, 2421, 2460, 2542, 2690, 2790, 3228, 3690, 3813, 4035, 4842, 5084, 5380, 5580, 6355, 7380, 7626, 8070, 8339, 9684, 11029, 11439, 12105, 12710, 15252, 16140, 16678, 19065, 22058, 22878, 24210, 25017, 25420, 33087, 33356, 38130, 41695, 44116, 45756, 48420, 50034, 55145, 57195, 66174, 75051, 76260, 83390, 99261, 100068, 110290, 114390, 125085, 132348, 150102, 165435, 166780, 198522, 220580, 228780, 250170, 300204, 330870, 341899, 375255, 397044, 496305, 500340, 661740, 683798, 750510, 992610, 1025697, 1367596, 1501020, 1709495, 1985220, 2051394, 3077091, 3418990, 4102788, 5128485, 6154182, 6837980, 10256970, 12308364, 15385455, 20513940, 30770910, 61541820]

約数ペア:

[(1, 61541820), (2, 30770910), (3, 20513940), (4, 15385455), (5, 12308364), (6, 10256970), (9, 6837980), (10, 6154182), (12, 5128485), (15, 4102788), (18, 3418990), (20, 3077091), (30, 2051394), (31, 1985220), (36, 1709495), (41, 1501020), (45, 1367596), (60, 1025697), (62, 992610), (82, 750510), (90, 683798), (93, 661740), (123, 500340), (124, 496305), (155, 397044), (164, 375255), (180, 341899), (186, 330870), (205, 300204), (246, 250170), (269, 228780), (279, 220580), (310, 198522), (369, 166780), (372, 165435), (410, 150102), (465, 132348), (492, 125085), (538, 114390), (558, 110290), (615, 100068), (620, 99261), (738, 83390), (807, 76260), (820, 75051), (930, 66174), (1076, 57195), (1116, 55145), (1230, 50034), (1271, 48420), (1345, 45756), (1395, 44116), (1476, 41695), (1614, 38130), (1845, 33356), (1860, 33087), (2421, 25420), (2460, 25017), (2542, 24210), (2690, 22878), (2790, 22058), (3228, 19065), (3690, 16678), (3813, 16140), (4035, 15252), (4842, 12710), (5084, 12105), (5380, 11439), (5580, 11029), (6355, 9684), (7380, 8339), (7626, 8070)]