251019960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{123049}}^1$

素因数の和:123080

約数の個数: 64

約数和(自身を含む): 797364000

約数和(自身を除く): 546344040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 123049, 246098, 369147, 492196, 615245, 738294, 984392, 1230490, 1476588, 1845735, 2091833, 2460980, 2953176, 3691470, 4183666, 4921960, 6275499, 7382940, 8367332, 10459165, 12550998, 14765880, 16734664, 20918330, 25101996, 31377495, 41836660, 50203992, 62754990, 83673320, 125509980, 251019960]

約数ペア:

[(1, 251019960), (2, 125509980), (3, 83673320), (4, 62754990), (5, 50203992), (6, 41836660), (8, 31377495), (10, 25101996), (12, 20918330), (15, 16734664), (17, 14765880), (20, 12550998), (24, 10459165), (30, 8367332), (34, 7382940), (40, 6275499), (51, 4921960), (60, 4183666), (68, 3691470), (85, 2953176), (102, 2460980), (120, 2091833), (136, 1845735), (170, 1476588), (204, 1230490), (255, 984392), (340, 738294), (408, 615245), (510, 492196), (680, 369147), (1020, 246098), (2040, 123049)]