640795728

素因数分解:

$2^4\times 3^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{2459}}^1$

素因数の和:2620

約数の個数: 80

約数和(自身を含む): 1702123200

約数和(自身を除く): 1061327472

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 61, 89, 122, 178, 183, 244, 267, 356, 366, 488, 534, 712, 732, 976, 1068, 1424, 1464, 2136, 2459, 2928, 4272, 4918, 5429, 7377, 9836, 10858, 14754, 16287, 19672, 21716, 29508, 32574, 39344, 43432, 59016, 65148, 86864, 118032, 130296, 149999, 218851, 260592, 299998, 437702, 449997, 599996, 656553, 875404, 899994, 1199992, 1313106, 1750808, 1799988, 2399984, 2626212, 3501616, 3599976, 5252424, 7199952, 10504848, 13349911, 26699822, 40049733, 53399644, 80099466, 106799288, 160198932, 213598576, 320397864, 640795728]

約数ペア:

[(1, 640795728), (2, 320397864), (3, 213598576), (4, 160198932), (6, 106799288), (8, 80099466), (12, 53399644), (16, 40049733), (24, 26699822), (48, 13349911), (61, 10504848), (89, 7199952), (122, 5252424), (178, 3599976), (183, 3501616), (244, 2626212), (267, 2399984), (356, 1799988), (366, 1750808), (488, 1313106), (534, 1199992), (712, 899994), (732, 875404), (976, 656553), (1068, 599996), (1424, 449997), (1464, 437702), (2136, 299998), (2459, 260592), (2928, 218851), (4272, 149999), (4918, 130296), (5429, 118032), (7377, 86864), (9836, 65148), (10858, 59016), (14754, 43432), (16287, 39344), (19672, 32574), (21716, 29508)]