29981340

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:254

約数の個数: 144

約数和(自身を含む): 97843200

約数和(自身を除く): 67861860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 81, 90, 93, 108, 124, 135, 155, 162, 180, 186, 199, 243, 270, 279, 310, 324, 372, 398, 405, 465, 486, 540, 558, 597, 620, 796, 810, 837, 930, 972, 995, 1116, 1194, 1215, 1395, 1620, 1674, 1791, 1860, 1990, 2388, 2430, 2511, 2790, 2985, 3348, 3582, 3980, 4185, 4860, 5022, 5373, 5580, 5970, 6169, 7164, 7533, 8370, 8955, 10044, 10746, 11940, 12338, 12555, 15066, 16119, 16740, 17910, 18507, 21492, 24676, 25110, 26865, 30132, 30845, 32238, 35820, 37014, 37665, 48357, 50220, 53730, 55521, 61690, 64476, 74028, 75330, 80595, 92535, 96714, 107460, 111042, 123380, 150660, 161190, 166563, 185070, 193428, 222084, 241785, 277605, 322380, 333126, 370140, 483570, 499689, 555210, 666252, 832815, 967140, 999378, 1110420, 1499067, 1665630, 1998756, 2498445, 2998134, 3331260, 4996890, 5996268, 7495335, 9993780, 14990670, 29981340]

約数ペア:

[(1, 29981340), (2, 14990670), (3, 9993780), (4, 7495335), (5, 5996268), (6, 4996890), (9, 3331260), (10, 2998134), (12, 2498445), (15, 1998756), (18, 1665630), (20, 1499067), (27, 1110420), (30, 999378), (31, 967140), (36, 832815), (45, 666252), (54, 555210), (60, 499689), (62, 483570), (81, 370140), (90, 333126), (93, 322380), (108, 277605), (124, 241785), (135, 222084), (155, 193428), (162, 185070), (180, 166563), (186, 161190), (199, 150660), (243, 123380), (270, 111042), (279, 107460), (310, 96714), (324, 92535), (372, 80595), (398, 75330), (405, 74028), (465, 64476), (486, 61690), (540, 55521), (558, 53730), (597, 50220), (620, 48357), (796, 37665), (810, 37014), (837, 35820), (930, 32238), (972, 30845), (995, 30132), (1116, 26865), (1194, 25110), (1215, 24676), (1395, 21492), (1620, 18507), (1674, 17910), (1791, 16740), (1860, 16119), (1990, 15066), (2388, 12555), (2430, 12338), (2511, 11940), (2790, 10746), (2985, 10044), (3348, 8955), (3582, 8370), (3980, 7533), (4185, 7164), (4860, 6169), (5022, 5970), (5373, 5580)]