156240

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1$

素因数の和:57

約数の個数: 120

約数和(自身を含む): 619008

約数和(自身を除く): 462768

約数列:

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

約数ペア:

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