31586520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1213}}^1$

素因数の和:1265

約数の個数: 128

約数和(自身を含む): 111882240

約数和(自身を除く): 80295720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 1085, 1213, 1240, 1302, 1736, 1860, 2170, 2426, 2604, 3255, 3639, 3720, 4340, 4852, 5208, 6065, 6510, 7278, 8491, 8680, 9704, 12130, 13020, 14556, 16982, 18195, 24260, 25473, 26040, 29112, 33964, 36390, 37603, 42455, 48520, 50946, 67928, 72780, 75206, 84910, 101892, 112809, 127365, 145560, 150412, 169820, 188015, 203784, 225618, 254730, 263221, 300824, 339640, 376030, 451236, 509460, 526442, 564045, 752060, 789663, 902472, 1018920, 1052884, 1128090, 1316105, 1504120, 1579326, 2105768, 2256180, 2632210, 3158652, 3948315, 4512360, 5264420, 6317304, 7896630, 10528840, 15793260, 31586520]

約数ペア:

[(1, 31586520), (2, 15793260), (3, 10528840), (4, 7896630), (5, 6317304), (6, 5264420), (7, 4512360), (8, 3948315), (10, 3158652), (12, 2632210), (14, 2256180), (15, 2105768), (20, 1579326), (21, 1504120), (24, 1316105), (28, 1128090), (30, 1052884), (31, 1018920), (35, 902472), (40, 789663), (42, 752060), (56, 564045), (60, 526442), (62, 509460), (70, 451236), (84, 376030), (93, 339640), (105, 300824), (120, 263221), (124, 254730), (140, 225618), (155, 203784), (168, 188015), (186, 169820), (210, 150412), (217, 145560), (248, 127365), (280, 112809), (310, 101892), (372, 84910), (420, 75206), (434, 72780), (465, 67928), (620, 50946), (651, 48520), (744, 42455), (840, 37603), (868, 36390), (930, 33964), (1085, 29112), (1213, 26040), (1240, 25473), (1302, 24260), (1736, 18195), (1860, 16982), (2170, 14556), (2426, 13020), (2604, 12130), (3255, 9704), (3639, 8680), (3720, 8491), (4340, 7278), (4852, 6510), (5208, 6065)]