155230640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1181}}^1$

素因数の和:1278

約数の個数: 80

約数和(自身を含む): 379904256

約数和(自身を除く): 224673616

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, 1181, 1240, 1643, 2120, 2362, 2480, 3286, 4240, 4724, 5905, 6572, 8215, 9448, 11810, 13144, 16430, 18896, 23620, 26288, 32860, 36611, 47240, 62593, 65720, 73222, 94480, 125186, 131440, 146444, 183055, 250372, 292888, 312965, 366110, 500744, 585776, 625930, 732220, 1001488, 1251860, 1464440, 1940383, 2503720, 2928880, 3880766, 5007440, 7761532, 9701915, 15523064, 19403830, 31046128, 38807660, 77615320, 155230640]

約数ペア:

[(1, 155230640), (2, 77615320), (4, 38807660), (5, 31046128), (8, 19403830), (10, 15523064), (16, 9701915), (20, 7761532), (31, 5007440), (40, 3880766), (53, 2928880), (62, 2503720), (80, 1940383), (106, 1464440), (124, 1251860), (155, 1001488), (212, 732220), (248, 625930), (265, 585776), (310, 500744), (424, 366110), (496, 312965), (530, 292888), (620, 250372), (848, 183055), (1060, 146444), (1181, 131440), (1240, 125186), (1643, 94480), (2120, 73222), (2362, 65720), (2480, 62593), (3286, 47240), (4240, 36611), (4724, 32860), (5905, 26288), (6572, 23620), (8215, 18896), (9448, 16430), (11810, 13144)]