64797440

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:146

約数の個数: 144

約数和(自身を含む): 169537536

約数和(自身を除く): 104740096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 32, 40, 46, 62, 64, 71, 80, 92, 115, 124, 128, 142, 155, 160, 184, 230, 248, 256, 284, 310, 320, 355, 368, 460, 496, 568, 620, 640, 710, 713, 736, 920, 992, 1136, 1240, 1280, 1420, 1426, 1472, 1633, 1840, 1984, 2201, 2272, 2480, 2840, 2852, 2944, 3266, 3565, 3680, 3968, 4402, 4544, 4960, 5680, 5704, 5888, 6532, 7130, 7360, 7936, 8165, 8804, 9088, 9920, 11005, 11360, 11408, 13064, 14260, 14720, 16330, 17608, 18176, 19840, 22010, 22720, 22816, 26128, 28520, 29440, 32660, 35216, 39680, 44020, 45440, 45632, 50623, 52256, 57040, 65320, 70432, 88040, 90880, 91264, 101246, 104512, 114080, 130640, 140864, 176080, 182528, 202492, 209024, 228160, 253115, 261280, 281728, 352160, 404984, 418048, 456320, 506230, 522560, 563456, 704320, 809968, 912640, 1012460, 1045120, 1408640, 1619936, 2024920, 2090240, 2817280, 3239872, 4049840, 6479744, 8099680, 12959488, 16199360, 32398720, 64797440]

約数ペア:

[(1, 64797440), (2, 32398720), (4, 16199360), (5, 12959488), (8, 8099680), (10, 6479744), (16, 4049840), (20, 3239872), (23, 2817280), (31, 2090240), (32, 2024920), (40, 1619936), (46, 1408640), (62, 1045120), (64, 1012460), (71, 912640), (80, 809968), (92, 704320), (115, 563456), (124, 522560), (128, 506230), (142, 456320), (155, 418048), (160, 404984), (184, 352160), (230, 281728), (248, 261280), (256, 253115), (284, 228160), (310, 209024), (320, 202492), (355, 182528), (368, 176080), (460, 140864), (496, 130640), (568, 114080), (620, 104512), (640, 101246), (710, 91264), (713, 90880), (736, 88040), (920, 70432), (992, 65320), (1136, 57040), (1240, 52256), (1280, 50623), (1420, 45632), (1426, 45440), (1472, 44020), (1633, 39680), (1840, 35216), (1984, 32660), (2201, 29440), (2272, 28520), (2480, 26128), (2840, 22816), (2852, 22720), (2944, 22010), (3266, 19840), (3565, 18176), (3680, 17608), (3968, 16330), (4402, 14720), (4544, 14260), (4960, 13064), (5680, 11408), (5704, 11360), (5888, 11005), (6532, 9920), (7130, 9088), (7360, 8804), (7936, 8165)]