65144640

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:261

約数の個数: 224

約数和(自身を含む): 234086400

約数和(自身を除く): 168941760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 31, 32, 33, 40, 44, 48, 55, 60, 62, 64, 66, 80, 88, 93, 96, 110, 120, 124, 132, 155, 160, 165, 176, 186, 192, 199, 220, 240, 248, 264, 310, 320, 330, 341, 352, 372, 398, 440, 465, 480, 496, 528, 597, 620, 660, 682, 704, 744, 796, 880, 930, 960, 992, 995, 1023, 1056, 1194, 1240, 1320, 1364, 1488, 1592, 1705, 1760, 1860, 1984, 1990, 2046, 2112, 2189, 2388, 2480, 2640, 2728, 2976, 2985, 3184, 3410, 3520, 3720, 3980, 4092, 4378, 4776, 4960, 5115, 5280, 5456, 5952, 5970, 6169, 6368, 6567, 6820, 7440, 7960, 8184, 8756, 9552, 9920, 10230, 10560, 10912, 10945, 11940, 12338, 12736, 13134, 13640, 14880, 15920, 16368, 17512, 18507, 19104, 20460, 21824, 21890, 23880, 24676, 26268, 27280, 29760, 30845, 31840, 32736, 32835, 35024, 37014, 38208, 40920, 43780, 47760, 49352, 52536, 54560, 61690, 63680, 65472, 65670, 67859, 70048, 74028, 81840, 87560, 92535, 95520, 98704, 105072, 109120, 123380, 131340, 135718, 140096, 148056, 163680, 175120, 185070, 191040, 197408, 203577, 210144, 246760, 262680, 271436, 296112, 327360, 339295, 350240, 370140, 394816, 407154, 420288, 493520, 525360, 542872, 592224, 678590, 700480, 740280, 814308, 987040, 1017885, 1050720, 1085744, 1184448, 1357180, 1480560, 1628616, 1974080, 2035770, 2101440, 2171488, 2714360, 2961120, 3257232, 4071540, 4342976, 5428720, 5922240, 6514464, 8143080, 10857440, 13028928, 16286160, 21714880, 32572320, 65144640]

約数ペア:

[(1, 65144640), (2, 32572320), (3, 21714880), (4, 16286160), (5, 13028928), (6, 10857440), (8, 8143080), (10, 6514464), (11, 5922240), (12, 5428720), (15, 4342976), (16, 4071540), (20, 3257232), (22, 2961120), (24, 2714360), (30, 2171488), (31, 2101440), (32, 2035770), (33, 1974080), (40, 1628616), (44, 1480560), (48, 1357180), (55, 1184448), (60, 1085744), (62, 1050720), (64, 1017885), (66, 987040), (80, 814308), (88, 740280), (93, 700480), (96, 678590), (110, 592224), (120, 542872), (124, 525360), (132, 493520), (155, 420288), (160, 407154), (165, 394816), (176, 370140), (186, 350240), (192, 339295), (199, 327360), (220, 296112), (240, 271436), (248, 262680), (264, 246760), (310, 210144), (320, 203577), (330, 197408), (341, 191040), (352, 185070), (372, 175120), (398, 163680), (440, 148056), (465, 140096), (480, 135718), (496, 131340), (528, 123380), (597, 109120), (620, 105072), (660, 98704), (682, 95520), (704, 92535), (744, 87560), (796, 81840), (880, 74028), (930, 70048), (960, 67859), (992, 65670), (995, 65472), (1023, 63680), (1056, 61690), (1194, 54560), (1240, 52536), (1320, 49352), (1364, 47760), (1488, 43780), (1592, 40920), (1705, 38208), (1760, 37014), (1860, 35024), (1984, 32835), (1990, 32736), (2046, 31840), (2112, 30845), (2189, 29760), (2388, 27280), (2480, 26268), (2640, 24676), (2728, 23880), (2976, 21890), (2985, 21824), (3184, 20460), (3410, 19104), (3520, 18507), (3720, 17512), (3980, 16368), (4092, 15920), (4378, 14880), (4776, 13640), (4960, 13134), (5115, 12736), (5280, 12338), (5456, 11940), (5952, 10945), (5970, 10912), (6169, 10560), (6368, 10230), (6567, 9920), (6820, 9552), (7440, 8756), (7960, 8184)]