312480

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1$

素因数の和:59

約数の個数: 144

約数和(自身を含む): 1257984

約数和(自身を除く): 945504

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 32, 35, 36, 40, 42, 45, 48, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 96, 105, 112, 120, 124, 126, 140, 144, 155, 160, 168, 180, 186, 210, 217, 224, 240, 248, 252, 279, 280, 288, 310, 315, 336, 360, 372, 420, 434, 465, 480, 496, 504, 558, 560, 620, 630, 651, 672, 720, 744, 840, 868, 930, 992, 1008, 1085, 1116, 1120, 1240, 1260, 1302, 1395, 1440, 1488, 1680, 1736, 1860, 1953, 2016, 2170, 2232, 2480, 2520, 2604, 2790, 2976, 3255, 3360, 3472, 3720, 3906, 4340, 4464, 4960, 5040, 5208, 5580, 6510, 6944, 7440, 7812, 8680, 8928, 9765, 10080, 10416, 11160, 13020, 14880, 15624, 17360, 19530, 20832, 22320, 26040, 31248, 34720, 39060, 44640, 52080, 62496, 78120, 104160, 156240, 312480]

約数ペア:

[(1, 312480), (2, 156240), (3, 104160), (4, 78120), (5, 62496), (6, 52080), (7, 44640), (8, 39060), (9, 34720), (10, 31248), (12, 26040), (14, 22320), (15, 20832), (16, 19530), (18, 17360), (20, 15624), (21, 14880), (24, 13020), (28, 11160), (30, 10416), (31, 10080), (32, 9765), (35, 8928), (36, 8680), (40, 7812), (42, 7440), (45, 6944), (48, 6510), (56, 5580), (60, 5208), (62, 5040), (63, 4960), (70, 4464), (72, 4340), (80, 3906), (84, 3720), (90, 3472), (93, 3360), (96, 3255), (105, 2976), (112, 2790), (120, 2604), (124, 2520), (126, 2480), (140, 2232), (144, 2170), (155, 2016), (160, 1953), (168, 1860), (180, 1736), (186, 1680), (210, 1488), (217, 1440), (224, 1395), (240, 1302), (248, 1260), (252, 1240), (279, 1120), (280, 1116), (288, 1085), (310, 1008), (315, 992), (336, 930), (360, 868), (372, 840), (420, 744), (434, 720), (465, 672), (480, 651), (496, 630), (504, 620), (558, 560)]