31489080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1973}}^1$

素因数の和:2013

約数の個数: 128

約数和(自身を含む): 113702400

約数和(自身を除く): 82213320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1330, 1596, 1973, 1995, 2280, 2660, 3192, 3946, 3990, 5320, 5919, 7892, 7980, 9865, 11838, 13811, 15784, 15960, 19730, 23676, 27622, 29595, 37487, 39460, 41433, 47352, 55244, 59190, 69055, 74974, 78920, 82866, 110488, 112461, 118380, 138110, 149948, 165732, 187435, 207165, 224922, 236760, 262409, 276220, 299896, 331464, 374870, 414330, 449844, 524818, 552440, 562305, 749740, 787227, 828660, 899688, 1049636, 1124610, 1312045, 1499480, 1574454, 1657320, 2099272, 2249220, 2624090, 3148908, 3936135, 4498440, 5248180, 6297816, 7872270, 10496360, 15744540, 31489080]

約数ペア:

[(1, 31489080), (2, 15744540), (3, 10496360), (4, 7872270), (5, 6297816), (6, 5248180), (7, 4498440), (8, 3936135), (10, 3148908), (12, 2624090), (14, 2249220), (15, 2099272), (19, 1657320), (20, 1574454), (21, 1499480), (24, 1312045), (28, 1124610), (30, 1049636), (35, 899688), (38, 828660), (40, 787227), (42, 749740), (56, 562305), (57, 552440), (60, 524818), (70, 449844), (76, 414330), (84, 374870), (95, 331464), (105, 299896), (114, 276220), (120, 262409), (133, 236760), (140, 224922), (152, 207165), (168, 187435), (190, 165732), (210, 149948), (228, 138110), (266, 118380), (280, 112461), (285, 110488), (380, 82866), (399, 78920), (420, 74974), (456, 69055), (532, 59190), (570, 55244), (665, 47352), (760, 41433), (798, 39460), (840, 37487), (1064, 29595), (1140, 27622), (1330, 23676), (1596, 19730), (1973, 15960), (1995, 15784), (2280, 13811), (2660, 11838), (3192, 9865), (3946, 7980), (3990, 7892), (5320, 5919)]