64450240

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:210

約数の個数: 112

約数和(自身を含む): 162397440

約数和(自身を除く): 97947200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 73, 80, 89, 124, 146, 155, 160, 178, 248, 292, 310, 320, 356, 365, 445, 496, 584, 620, 712, 730, 890, 992, 1168, 1240, 1424, 1460, 1780, 1984, 2263, 2336, 2480, 2759, 2848, 2920, 3560, 4526, 4672, 4960, 5518, 5696, 5840, 6497, 7120, 9052, 9920, 11036, 11315, 11680, 12994, 13795, 14240, 18104, 22072, 22630, 23360, 25988, 27590, 28480, 32485, 36208, 44144, 45260, 51976, 55180, 64970, 72416, 88288, 90520, 103952, 110360, 129940, 144832, 176576, 181040, 201407, 207904, 220720, 259880, 362080, 402814, 415808, 441440, 519760, 724160, 805628, 882880, 1007035, 1039520, 1611256, 2014070, 2079040, 3222512, 4028140, 6445024, 8056280, 12890048, 16112560, 32225120, 64450240]

約数ペア:

[(1, 64450240), (2, 32225120), (4, 16112560), (5, 12890048), (8, 8056280), (10, 6445024), (16, 4028140), (20, 3222512), (31, 2079040), (32, 2014070), (40, 1611256), (62, 1039520), (64, 1007035), (73, 882880), (80, 805628), (89, 724160), (124, 519760), (146, 441440), (155, 415808), (160, 402814), (178, 362080), (248, 259880), (292, 220720), (310, 207904), (320, 201407), (356, 181040), (365, 176576), (445, 144832), (496, 129940), (584, 110360), (620, 103952), (712, 90520), (730, 88288), (890, 72416), (992, 64970), (1168, 55180), (1240, 51976), (1424, 45260), (1460, 44144), (1780, 36208), (1984, 32485), (2263, 28480), (2336, 27590), (2480, 25988), (2759, 23360), (2848, 22630), (2920, 22072), (3560, 18104), (4526, 14240), (4672, 13795), (4960, 12994), (5518, 11680), (5696, 11315), (5840, 11036), (6497, 9920), (7120, 9052)]