157859440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1201}}^1$

素因数の和:1298

約数の個数: 80

約数和(自身を含む): 386332416

約数和(自身を除く): 228472976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 53, 62, 80, 106, 124, 155, 212, 248, 265, 310, 424, 496, 530, 620, 848, 1060, 1201, 1240, 1643, 2120, 2402, 2480, 3286, 4240, 4804, 6005, 6572, 8215, 9608, 12010, 13144, 16430, 19216, 24020, 26288, 32860, 37231, 48040, 63653, 65720, 74462, 96080, 127306, 131440, 148924, 186155, 254612, 297848, 318265, 372310, 509224, 595696, 636530, 744620, 1018448, 1273060, 1489240, 1973243, 2546120, 2978480, 3946486, 5092240, 7892972, 9866215, 15785944, 19732430, 31571888, 39464860, 78929720, 157859440]

約数ペア:

[(1, 157859440), (2, 78929720), (4, 39464860), (5, 31571888), (8, 19732430), (10, 15785944), (16, 9866215), (20, 7892972), (31, 5092240), (40, 3946486), (53, 2978480), (62, 2546120), (80, 1973243), (106, 1489240), (124, 1273060), (155, 1018448), (212, 744620), (248, 636530), (265, 595696), (310, 509224), (424, 372310), (496, 318265), (530, 297848), (620, 254612), (848, 186155), (1060, 148924), (1201, 131440), (1240, 127306), (1643, 96080), (2120, 74462), (2402, 65720), (2480, 63653), (3286, 48040), (4240, 37231), (4804, 32860), (6005, 26288), (6572, 24020), (8215, 19216), (9608, 16430), (12010, 13144)]