242945820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^3$

素因数の和:169

約数の個数: 144

約数和(自身を含む): 810875520

約数和(自身を除く): 567929700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 47, 52, 60, 65, 78, 90, 94, 117, 130, 141, 156, 180, 188, 195, 234, 235, 260, 282, 390, 423, 468, 470, 564, 585, 611, 705, 780, 846, 940, 1170, 1222, 1410, 1692, 1833, 2115, 2209, 2340, 2444, 2820, 3055, 3666, 4230, 4418, 5499, 6110, 6627, 7332, 8460, 8836, 9165, 10998, 11045, 12220, 13254, 18330, 19881, 21996, 22090, 26508, 27495, 28717, 33135, 36660, 39762, 44180, 54990, 57434, 66270, 79524, 86151, 99405, 103823, 109980, 114868, 132540, 143585, 172302, 198810, 207646, 258453, 287170, 311469, 344604, 397620, 415292, 430755, 516906, 519115, 574340, 622938, 861510, 934407, 1033812, 1038230, 1245876, 1292265, 1349699, 1557345, 1723020, 1868814, 2076460, 2584530, 2699398, 3114690, 3737628, 4049097, 4672035, 5169060, 5398796, 6229380, 6748495, 8098194, 9344070, 12147291, 13496990, 16196388, 18688140, 20245485, 24294582, 26993980, 40490970, 48589164, 60736455, 80981940, 121472910, 242945820]

約数ペア:

[(1, 242945820), (2, 121472910), (3, 80981940), (4, 60736455), (5, 48589164), (6, 40490970), (9, 26993980), (10, 24294582), (12, 20245485), (13, 18688140), (15, 16196388), (18, 13496990), (20, 12147291), (26, 9344070), (30, 8098194), (36, 6748495), (39, 6229380), (45, 5398796), (47, 5169060), (52, 4672035), (60, 4049097), (65, 3737628), (78, 3114690), (90, 2699398), (94, 2584530), (117, 2076460), (130, 1868814), (141, 1723020), (156, 1557345), (180, 1349699), (188, 1292265), (195, 1245876), (234, 1038230), (235, 1033812), (260, 934407), (282, 861510), (390, 622938), (423, 574340), (468, 519115), (470, 516906), (564, 430755), (585, 415292), (611, 397620), (705, 344604), (780, 311469), (846, 287170), (940, 258453), (1170, 207646), (1222, 198810), (1410, 172302), (1692, 143585), (1833, 132540), (2115, 114868), (2209, 109980), (2340, 103823), (2444, 99405), (2820, 86151), (3055, 79524), (3666, 66270), (4230, 57434), (4418, 54990), (5499, 44180), (6110, 39762), (6627, 36660), (7332, 33135), (8460, 28717), (8836, 27495), (9165, 26508), (10998, 22090), (11045, 21996), (12220, 19881), (13254, 18330)]