31609760

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{167}}^1$

素因数の和:215

約数の個数: 144

約数和(自身を含む): 92969856

約数和(自身を除く): 61360096

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 160, 167, 169, 182, 208, 224, 260, 280, 334, 338, 364, 416, 455, 520, 560, 668, 676, 728, 835, 845, 910, 1040, 1120, 1169, 1183, 1336, 1352, 1456, 1670, 1690, 1820, 2080, 2171, 2338, 2366, 2672, 2704, 2912, 3340, 3380, 3640, 4342, 4676, 4732, 5344, 5408, 5845, 5915, 6680, 6760, 7280, 8684, 9352, 9464, 10855, 11690, 11830, 13360, 13520, 14560, 15197, 17368, 18704, 18928, 21710, 23380, 23660, 26720, 27040, 28223, 30394, 34736, 37408, 37856, 43420, 46760, 47320, 56446, 60788, 69472, 75985, 86840, 93520, 94640, 112892, 121576, 141115, 151970, 173680, 187040, 189280, 197561, 225784, 243152, 282230, 303940, 347360, 395122, 451568, 486304, 564460, 607880, 790244, 903136, 987805, 1128920, 1215760, 1580488, 1975610, 2257840, 2431520, 3160976, 3951220, 4515680, 6321952, 7902440, 15804880, 31609760]

約数ペア:

[(1, 31609760), (2, 15804880), (4, 7902440), (5, 6321952), (7, 4515680), (8, 3951220), (10, 3160976), (13, 2431520), (14, 2257840), (16, 1975610), (20, 1580488), (26, 1215760), (28, 1128920), (32, 987805), (35, 903136), (40, 790244), (52, 607880), (56, 564460), (65, 486304), (70, 451568), (80, 395122), (91, 347360), (104, 303940), (112, 282230), (130, 243152), (140, 225784), (160, 197561), (167, 189280), (169, 187040), (182, 173680), (208, 151970), (224, 141115), (260, 121576), (280, 112892), (334, 94640), (338, 93520), (364, 86840), (416, 75985), (455, 69472), (520, 60788), (560, 56446), (668, 47320), (676, 46760), (728, 43420), (835, 37856), (845, 37408), (910, 34736), (1040, 30394), (1120, 28223), (1169, 27040), (1183, 26720), (1336, 23660), (1352, 23380), (1456, 21710), (1670, 18928), (1690, 18704), (1820, 17368), (2080, 15197), (2171, 14560), (2338, 13520), (2366, 13360), (2672, 11830), (2704, 11690), (2912, 10855), (3340, 9464), (3380, 9352), (3640, 8684), (4342, 7280), (4676, 6760), (4732, 6680), (5344, 5915), (5408, 5845)]