81430800

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:262

約数の個数: 240

約数和(自身を含む): 295219200

約数和(自身を除く): 213788400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 25, 30, 31, 33, 40, 44, 48, 50, 55, 60, 62, 66, 75, 80, 88, 93, 100, 110, 120, 124, 132, 150, 155, 165, 176, 186, 199, 200, 220, 240, 248, 264, 275, 300, 310, 330, 341, 372, 398, 400, 440, 465, 496, 528, 550, 597, 600, 620, 660, 682, 744, 775, 796, 825, 880, 930, 995, 1023, 1100, 1194, 1200, 1240, 1320, 1364, 1488, 1550, 1592, 1650, 1705, 1860, 1990, 2046, 2189, 2200, 2325, 2388, 2480, 2640, 2728, 2985, 3100, 3184, 3300, 3410, 3720, 3980, 4092, 4378, 4400, 4650, 4776, 4975, 5115, 5456, 5970, 6169, 6200, 6567, 6600, 6820, 7440, 7960, 8184, 8525, 8756, 9300, 9552, 9950, 10230, 10945, 11940, 12338, 12400, 13134, 13200, 13640, 14925, 15920, 16368, 17050, 17512, 18507, 18600, 19900, 20460, 21890, 23880, 24676, 25575, 26268, 27280, 29850, 30845, 32835, 34100, 35024, 37014, 37200, 39800, 40920, 43780, 47760, 49352, 51150, 52536, 54725, 59700, 61690, 65670, 67859, 68200, 74028, 79600, 81840, 87560, 92535, 98704, 102300, 105072, 109450, 119400, 123380, 131340, 135718, 136400, 148056, 154225, 164175, 175120, 185070, 203577, 204600, 218900, 238800, 246760, 262680, 271436, 296112, 308450, 328350, 339295, 370140, 407154, 409200, 437800, 462675, 493520, 525360, 542872, 616900, 656700, 678590, 740280, 814308, 875600, 925350, 1017885, 1085744, 1233800, 1313400, 1357180, 1480560, 1628616, 1696475, 1850700, 2035770, 2467600, 2626800, 2714360, 3257232, 3392950, 3701400, 4071540, 5089425, 5428720, 6785900, 7402800, 8143080, 10178850, 13571800, 16286160, 20357700, 27143600, 40715400, 81430800]

約数ペア:

[(1, 81430800), (2, 40715400), (3, 27143600), (4, 20357700), (5, 16286160), (6, 13571800), (8, 10178850), (10, 8143080), (11, 7402800), (12, 6785900), (15, 5428720), (16, 5089425), (20, 4071540), (22, 3701400), (24, 3392950), (25, 3257232), (30, 2714360), (31, 2626800), (33, 2467600), (40, 2035770), (44, 1850700), (48, 1696475), (50, 1628616), (55, 1480560), (60, 1357180), (62, 1313400), (66, 1233800), (75, 1085744), (80, 1017885), (88, 925350), (93, 875600), (100, 814308), (110, 740280), (120, 678590), (124, 656700), (132, 616900), (150, 542872), (155, 525360), (165, 493520), (176, 462675), (186, 437800), (199, 409200), (200, 407154), (220, 370140), (240, 339295), (248, 328350), (264, 308450), (275, 296112), (300, 271436), (310, 262680), (330, 246760), (341, 238800), (372, 218900), (398, 204600), (400, 203577), (440, 185070), (465, 175120), (496, 164175), (528, 154225), (550, 148056), (597, 136400), (600, 135718), (620, 131340), (660, 123380), (682, 119400), (744, 109450), (775, 105072), (796, 102300), (825, 98704), (880, 92535), (930, 87560), (995, 81840), (1023, 79600), (1100, 74028), (1194, 68200), (1200, 67859), (1240, 65670), (1320, 61690), (1364, 59700), (1488, 54725), (1550, 52536), (1592, 51150), (1650, 49352), (1705, 47760), (1860, 43780), (1990, 40920), (2046, 39800), (2189, 37200), (2200, 37014), (2325, 35024), (2388, 34100), (2480, 32835), (2640, 30845), (2728, 29850), (2985, 27280), (3100, 26268), (3184, 25575), (3300, 24676), (3410, 23880), (3720, 21890), (3980, 20460), (4092, 19900), (4378, 18600), (4400, 18507), (4650, 17512), (4776, 17050), (4975, 16368), (5115, 15920), (5456, 14925), (5970, 13640), (6169, 13200), (6200, 13134), (6567, 12400), (6600, 12338), (6820, 11940), (7440, 10945), (7960, 10230), (8184, 9950), (8525, 9552), (8756, 9300)]