80996800

素因数分解:

$2^6\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:147

約数の個数: 168

約数和(自身を含む): 217700352

約数和(自身を除く): 136703552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 31, 32, 40, 46, 50, 62, 64, 71, 80, 92, 100, 115, 124, 142, 155, 160, 184, 200, 230, 248, 284, 310, 320, 355, 368, 400, 460, 496, 568, 575, 620, 710, 713, 736, 775, 800, 920, 992, 1136, 1150, 1240, 1420, 1426, 1472, 1550, 1600, 1633, 1775, 1840, 1984, 2201, 2272, 2300, 2480, 2840, 2852, 3100, 3266, 3550, 3565, 3680, 4402, 4544, 4600, 4960, 5680, 5704, 6200, 6532, 7100, 7130, 7360, 8165, 8804, 9200, 9920, 11005, 11360, 11408, 12400, 13064, 14200, 14260, 16330, 17608, 17825, 18400, 22010, 22720, 22816, 24800, 26128, 28400, 28520, 32660, 35216, 35650, 36800, 40825, 44020, 45632, 49600, 50623, 52256, 55025, 56800, 57040, 65320, 70432, 71300, 81650, 88040, 101246, 104512, 110050, 113600, 114080, 130640, 140864, 142600, 163300, 176080, 202492, 220100, 228160, 253115, 261280, 285200, 326600, 352160, 404984, 440200, 506230, 522560, 570400, 653200, 704320, 809968, 880400, 1012460, 1140800, 1265575, 1306400, 1619936, 1760800, 2024920, 2531150, 2612800, 3239872, 3521600, 4049840, 5062300, 8099680, 10124600, 16199360, 20249200, 40498400, 80996800]

約数ペア:

[(1, 80996800), (2, 40498400), (4, 20249200), (5, 16199360), (8, 10124600), (10, 8099680), (16, 5062300), (20, 4049840), (23, 3521600), (25, 3239872), (31, 2612800), (32, 2531150), (40, 2024920), (46, 1760800), (50, 1619936), (62, 1306400), (64, 1265575), (71, 1140800), (80, 1012460), (92, 880400), (100, 809968), (115, 704320), (124, 653200), (142, 570400), (155, 522560), (160, 506230), (184, 440200), (200, 404984), (230, 352160), (248, 326600), (284, 285200), (310, 261280), (320, 253115), (355, 228160), (368, 220100), (400, 202492), (460, 176080), (496, 163300), (568, 142600), (575, 140864), (620, 130640), (710, 114080), (713, 113600), (736, 110050), (775, 104512), (800, 101246), (920, 88040), (992, 81650), (1136, 71300), (1150, 70432), (1240, 65320), (1420, 57040), (1426, 56800), (1472, 55025), (1550, 52256), (1600, 50623), (1633, 49600), (1775, 45632), (1840, 44020), (1984, 40825), (2201, 36800), (2272, 35650), (2300, 35216), (2480, 32660), (2840, 28520), (2852, 28400), (3100, 26128), (3266, 24800), (3550, 22816), (3565, 22720), (3680, 22010), (4402, 18400), (4544, 17825), (4600, 17608), (4960, 16330), (5680, 14260), (5704, 14200), (6200, 13064), (6532, 12400), (7100, 11408), (7130, 11360), (7360, 11005), (8165, 9920), (8804, 9200)]