221439960

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1723}}^1$

素因数の和:1767

約数の個数: 256

約数和(自身を含む): 893721600

約数和(自身を除く): 672281640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 17, 18, 20, 21, 24, 27, 28, 30, 34, 35, 36, 40, 42, 45, 51, 54, 56, 60, 63, 68, 70, 72, 84, 85, 90, 102, 105, 108, 119, 120, 126, 135, 136, 140, 153, 168, 170, 180, 189, 204, 210, 216, 238, 252, 255, 270, 280, 306, 315, 340, 357, 360, 378, 408, 420, 459, 476, 504, 510, 540, 595, 612, 630, 680, 714, 756, 765, 840, 918, 945, 952, 1020, 1071, 1080, 1190, 1224, 1260, 1428, 1512, 1530, 1723, 1785, 1836, 1890, 2040, 2142, 2295, 2380, 2520, 2856, 3060, 3213, 3446, 3570, 3672, 3780, 4284, 4590, 4760, 5169, 5355, 6120, 6426, 6892, 7140, 7560, 8568, 8615, 9180, 10338, 10710, 12061, 12852, 13784, 14280, 15507, 16065, 17230, 18360, 20676, 21420, 24122, 25704, 25845, 29291, 31014, 32130, 34460, 36183, 41352, 42840, 46521, 48244, 51690, 58582, 60305, 62028, 64260, 68920, 72366, 77535, 87873, 93042, 96488, 103380, 108549, 117164, 120610, 124056, 128520, 144732, 146455, 155070, 175746, 180915, 186084, 205037, 206760, 217098, 232605, 234328, 241220, 263619, 289464, 292910, 310140, 325647, 351492, 361830, 372168, 410074, 434196, 439365, 465210, 482440, 527238, 542745, 585820, 615111, 620280, 651294, 702984, 723660, 790857, 820148, 868392, 878730, 930420, 1025185, 1054476, 1085490, 1171640, 1230222, 1302588, 1318095, 1447320, 1581714, 1628235, 1640296, 1757460, 1845333, 1860840, 2050370, 2108952, 2170980, 2460444, 2605176, 2636190, 3075555, 3163428, 3256470, 3514920, 3690666, 3954285, 4100740, 4341960, 4920888, 5272380, 5535999, 6151110, 6326856, 6512940, 7381332, 7908570, 8201480, 9226665, 10544760, 11071998, 12302220, 13025880, 14762664, 15817140, 18453330, 22143996, 24604440, 27679995, 31634280, 36906660, 44287992, 55359990, 73813320, 110719980, 221439960]

約数ペア:

[(1, 221439960), (2, 110719980), (3, 73813320), (4, 55359990), (5, 44287992), (6, 36906660), (7, 31634280), (8, 27679995), (9, 24604440), (10, 22143996), (12, 18453330), (14, 15817140), (15, 14762664), (17, 13025880), (18, 12302220), (20, 11071998), (21, 10544760), (24, 9226665), (27, 8201480), (28, 7908570), (30, 7381332), (34, 6512940), (35, 6326856), (36, 6151110), (40, 5535999), (42, 5272380), (45, 4920888), (51, 4341960), (54, 4100740), (56, 3954285), (60, 3690666), (63, 3514920), (68, 3256470), (70, 3163428), (72, 3075555), (84, 2636190), (85, 2605176), (90, 2460444), (102, 2170980), (105, 2108952), (108, 2050370), (119, 1860840), (120, 1845333), (126, 1757460), (135, 1640296), (136, 1628235), (140, 1581714), (153, 1447320), (168, 1318095), (170, 1302588), (180, 1230222), (189, 1171640), (204, 1085490), (210, 1054476), (216, 1025185), (238, 930420), (252, 878730), (255, 868392), (270, 820148), (280, 790857), (306, 723660), (315, 702984), (340, 651294), (357, 620280), (360, 615111), (378, 585820), (408, 542745), (420, 527238), (459, 482440), (476, 465210), (504, 439365), (510, 434196), (540, 410074), (595, 372168), (612, 361830), (630, 351492), (680, 325647), (714, 310140), (756, 292910), (765, 289464), (840, 263619), (918, 241220), (945, 234328), (952, 232605), (1020, 217098), (1071, 206760), (1080, 205037), (1190, 186084), (1224, 180915), (1260, 175746), (1428, 155070), (1512, 146455), (1530, 144732), (1723, 128520), (1785, 124056), (1836, 120610), (1890, 117164), (2040, 108549), (2142, 103380), (2295, 96488), (2380, 93042), (2520, 87873), (2856, 77535), (3060, 72366), (3213, 68920), (3446, 64260), (3570, 62028), (3672, 60305), (3780, 58582), (4284, 51690), (4590, 48244), (4760, 46521), (5169, 42840), (5355, 41352), (6120, 36183), (6426, 34460), (6892, 32130), (7140, 31014), (7560, 29291), (8568, 25845), (8615, 25704), (9180, 24122), (10338, 21420), (10710, 20676), (12061, 18360), (12852, 17230), (13784, 16065), (14280, 15507)]