138453440

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{821}}^1$

素因数の和:886

約数の個数: 112

約数和(自身を含む): 360785664

約数和(自身を除く): 222332224

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 80, 85, 124, 136, 155, 160, 170, 248, 272, 310, 320, 340, 496, 527, 544, 620, 680, 821, 992, 1054, 1088, 1240, 1360, 1642, 1984, 2108, 2480, 2635, 2720, 3284, 4105, 4216, 4960, 5270, 5440, 6568, 8210, 8432, 9920, 10540, 13136, 13957, 16420, 16864, 21080, 25451, 26272, 27914, 32840, 33728, 42160, 50902, 52544, 55828, 65680, 69785, 84320, 101804, 111656, 127255, 131360, 139570, 168640, 203608, 223312, 254510, 262720, 279140, 407216, 432667, 446624, 509020, 558280, 814432, 865334, 893248, 1018040, 1116560, 1628864, 1730668, 2036080, 2163335, 2233120, 3461336, 4072160, 4326670, 4466240, 6922672, 8144320, 8653340, 13845344, 17306680, 27690688, 34613360, 69226720, 138453440]

約数ペア:

[(1, 138453440), (2, 69226720), (4, 34613360), (5, 27690688), (8, 17306680), (10, 13845344), (16, 8653340), (17, 8144320), (20, 6922672), (31, 4466240), (32, 4326670), (34, 4072160), (40, 3461336), (62, 2233120), (64, 2163335), (68, 2036080), (80, 1730668), (85, 1628864), (124, 1116560), (136, 1018040), (155, 893248), (160, 865334), (170, 814432), (248, 558280), (272, 509020), (310, 446624), (320, 432667), (340, 407216), (496, 279140), (527, 262720), (544, 254510), (620, 223312), (680, 203608), (821, 168640), (992, 139570), (1054, 131360), (1088, 127255), (1240, 111656), (1360, 101804), (1642, 84320), (1984, 69785), (2108, 65680), (2480, 55828), (2635, 52544), (2720, 50902), (3284, 42160), (4105, 33728), (4216, 32840), (4960, 27914), (5270, 26272), (5440, 25451), (6568, 21080), (8210, 16864), (8432, 16420), (9920, 13957), (10540, 13136)]