142235440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{691}}^1$

素因数の和:818

約数の個数: 80

約数和(自身を含む): 345977856

約数和(自身を除く): 203742416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 83, 124, 155, 166, 248, 310, 332, 415, 496, 620, 664, 691, 830, 1240, 1328, 1382, 1660, 2480, 2573, 2764, 3320, 3455, 5146, 5528, 6640, 6910, 10292, 11056, 12865, 13820, 20584, 21421, 25730, 27640, 41168, 42842, 51460, 55280, 57353, 85684, 102920, 107105, 114706, 171368, 205840, 214210, 229412, 286765, 342736, 428420, 458824, 573530, 856840, 917648, 1147060, 1713680, 1777943, 2294120, 3555886, 4588240, 7111772, 8889715, 14223544, 17779430, 28447088, 35558860, 71117720, 142235440]

約数ペア:

[(1, 142235440), (2, 71117720), (4, 35558860), (5, 28447088), (8, 17779430), (10, 14223544), (16, 8889715), (20, 7111772), (31, 4588240), (40, 3555886), (62, 2294120), (80, 1777943), (83, 1713680), (124, 1147060), (155, 917648), (166, 856840), (248, 573530), (310, 458824), (332, 428420), (415, 342736), (496, 286765), (620, 229412), (664, 214210), (691, 205840), (830, 171368), (1240, 114706), (1328, 107105), (1382, 102920), (1660, 85684), (2480, 57353), (2573, 55280), (2764, 51460), (3320, 42842), (3455, 41168), (5146, 27640), (5528, 25730), (6640, 21421), (6910, 20584), (10292, 13820), (11056, 12865)]