9090900

素因数分解:

$2^2\times 3^3\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:80

約数の個数: 288

約数和(自身を含む): 36942080

約数和(自身を除く): 27851180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 25, 26, 27, 28, 30, 35, 36, 37, 39, 42, 45, 50, 52, 54, 60, 63, 65, 70, 74, 75, 78, 84, 90, 91, 100, 105, 108, 111, 117, 126, 130, 135, 140, 148, 150, 156, 175, 180, 182, 185, 189, 195, 210, 222, 225, 234, 252, 259, 260, 270, 273, 300, 315, 325, 333, 350, 351, 364, 370, 378, 390, 420, 444, 450, 455, 468, 481, 518, 525, 540, 546, 555, 585, 630, 650, 666, 675, 700, 702, 740, 756, 777, 780, 819, 900, 910, 925, 945, 962, 975, 999, 1036, 1050, 1092, 1110, 1170, 1260, 1295, 1300, 1332, 1350, 1365, 1404, 1443, 1554, 1575, 1638, 1665, 1755, 1820, 1850, 1890, 1924, 1950, 1998, 2100, 2220, 2275, 2331, 2340, 2405, 2457, 2590, 2700, 2730, 2775, 2886, 2925, 3108, 3150, 3276, 3330, 3367, 3510, 3700, 3780, 3885, 3900, 3996, 4095, 4329, 4550, 4662, 4725, 4810, 4914, 4995, 5180, 5460, 5550, 5772, 5850, 6300, 6475, 6660, 6734, 6825, 6993, 7020, 7215, 7770, 8190, 8325, 8658, 8775, 9100, 9324, 9450, 9620, 9828, 9990, 10101, 11100, 11655, 11700, 12025, 12285, 12950, 12987, 13468, 13650, 13986, 14430, 15540, 16380, 16650, 16835, 17316, 17550, 18900, 19425, 19980, 20202, 20475, 21645, 23310, 24050, 24570, 24975, 25900, 25974, 27300, 27972, 28860, 30303, 33300, 33670, 34965, 35100, 36075, 38850, 40404, 40950, 43290, 46620, 48100, 49140, 49950, 50505, 51948, 58275, 60606, 61425, 64935, 67340, 69930, 72150, 77700, 81900, 84175, 86580, 90909, 99900, 101010, 108225, 116550, 121212, 122850, 129870, 139860, 144300, 151515, 168350, 174825, 181818, 202020, 216450, 233100, 245700, 252525, 259740, 303030, 324675, 336700, 349650, 363636, 432900, 454545, 505050, 606060, 649350, 699300, 757575, 909090, 1010100, 1298700, 1515150, 1818180, 2272725, 3030300, 4545450, 9090900]

約数ペア:

[(1, 9090900), (2, 4545450), (3, 3030300), (4, 2272725), (5, 1818180), (6, 1515150), (7, 1298700), (9, 1010100), (10, 909090), (12, 757575), (13, 699300), (14, 649350), (15, 606060), (18, 505050), (20, 454545), (21, 432900), (25, 363636), (26, 349650), (27, 336700), (28, 324675), (30, 303030), (35, 259740), (36, 252525), (37, 245700), (39, 233100), (42, 216450), (45, 202020), (50, 181818), (52, 174825), (54, 168350), (60, 151515), (63, 144300), (65, 139860), (70, 129870), (74, 122850), (75, 121212), (78, 116550), (84, 108225), (90, 101010), (91, 99900), (100, 90909), (105, 86580), (108, 84175), (111, 81900), (117, 77700), (126, 72150), (130, 69930), (135, 67340), (140, 64935), (148, 61425), (150, 60606), (156, 58275), (175, 51948), (180, 50505), (182, 49950), (185, 49140), (189, 48100), (195, 46620), (210, 43290), (222, 40950), (225, 40404), (234, 38850), (252, 36075), (259, 35100), (260, 34965), (270, 33670), (273, 33300), (300, 30303), (315, 28860), (325, 27972), (333, 27300), (350, 25974), (351, 25900), (364, 24975), (370, 24570), (378, 24050), (390, 23310), (420, 21645), (444, 20475), (450, 20202), (455, 19980), (468, 19425), (481, 18900), (518, 17550), (525, 17316), (540, 16835), (546, 16650), (555, 16380), (585, 15540), (630, 14430), (650, 13986), (666, 13650), (675, 13468), (700, 12987), (702, 12950), (740, 12285), (756, 12025), (777, 11700), (780, 11655), (819, 11100), (900, 10101), (910, 9990), (925, 9828), (945, 9620), (962, 9450), (975, 9324), (999, 9100), (1036, 8775), (1050, 8658), (1092, 8325), (1110, 8190), (1170, 7770), (1260, 7215), (1295, 7020), (1300, 6993), (1332, 6825), (1350, 6734), (1365, 6660), (1404, 6475), (1443, 6300), (1554, 5850), (1575, 5772), (1638, 5550), (1665, 5460), (1755, 5180), (1820, 4995), (1850, 4914), (1890, 4810), (1924, 4725), (1950, 4662), (1998, 4550), (2100, 4329), (2220, 4095), (2275, 3996), (2331, 3900), (2340, 3885), (2405, 3780), (2457, 3700), (2590, 3510), (2700, 3367), (2730, 3330), (2775, 3276), (2886, 3150), (2925, 3108)]