161993600

素因数分解:

$2^7\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:149

約数の個数: 192

約数和(自身を含む): 437114880

約数和(自身を除く): 275121280

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, 128, 142, 155, 160, 184, 200, 230, 248, 284, 310, 320, 355, 368, 400, 460, 496, 568, 575, 620, 640, 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, 2944, 3100, 3200, 3266, 3550, 3565, 3680, 3968, 4402, 4544, 4600, 4960, 5680, 5704, 6200, 6532, 7100, 7130, 7360, 8165, 8804, 9088, 9200, 9920, 11005, 11360, 11408, 12400, 13064, 14200, 14260, 14720, 16330, 17608, 17825, 18400, 19840, 22010, 22720, 22816, 24800, 26128, 28400, 28520, 32660, 35216, 35650, 36800, 40825, 44020, 45440, 45632, 49600, 50623, 52256, 55025, 56800, 57040, 65320, 70432, 71300, 73600, 81650, 88040, 91264, 99200, 101246, 104512, 110050, 113600, 114080, 130640, 140864, 142600, 163300, 176080, 202492, 209024, 220100, 227200, 228160, 253115, 261280, 281728, 285200, 326600, 352160, 404984, 440200, 456320, 506230, 522560, 570400, 653200, 704320, 809968, 880400, 1012460, 1045120, 1140800, 1265575, 1306400, 1408640, 1619936, 1760800, 2024920, 2281600, 2531150, 2612800, 3239872, 3521600, 4049840, 5062300, 5225600, 6479744, 7043200, 8099680, 10124600, 16199360, 20249200, 32398720, 40498400, 80996800, 161993600]

約数ペア:

[(1, 161993600), (2, 80996800), (4, 40498400), (5, 32398720), (8, 20249200), (10, 16199360), (16, 10124600), (20, 8099680), (23, 7043200), (25, 6479744), (31, 5225600), (32, 5062300), (40, 4049840), (46, 3521600), (50, 3239872), (62, 2612800), (64, 2531150), (71, 2281600), (80, 2024920), (92, 1760800), (100, 1619936), (115, 1408640), (124, 1306400), (128, 1265575), (142, 1140800), (155, 1045120), (160, 1012460), (184, 880400), (200, 809968), (230, 704320), (248, 653200), (284, 570400), (310, 522560), (320, 506230), (355, 456320), (368, 440200), (400, 404984), (460, 352160), (496, 326600), (568, 285200), (575, 281728), (620, 261280), (640, 253115), (710, 228160), (713, 227200), (736, 220100), (775, 209024), (800, 202492), (920, 176080), (992, 163300), (1136, 142600), (1150, 140864), (1240, 130640), (1420, 114080), (1426, 113600), (1472, 110050), (1550, 104512), (1600, 101246), (1633, 99200), (1775, 91264), (1840, 88040), (1984, 81650), (2201, 73600), (2272, 71300), (2300, 70432), (2480, 65320), (2840, 57040), (2852, 56800), (2944, 55025), (3100, 52256), (3200, 50623), (3266, 49600), (3550, 45632), (3565, 45440), (3680, 44020), (3968, 40825), (4402, 36800), (4544, 35650), (4600, 35216), (4960, 32660), (5680, 28520), (5704, 28400), (6200, 26128), (6532, 24800), (7100, 22816), (7130, 22720), (7360, 22010), (8165, 19840), (8804, 18400), (9088, 17825), (9200, 17608), (9920, 16330), (11005, 14720), (11360, 14260), (11408, 14200), (12400, 13064)]