31153200

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1997}}^1$

素因数の和:2031

約数の個数: 120

約数和(自身を含む): 107524368

約数和(自身を除く): 76371168

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 39, 40, 48, 50, 52, 60, 65, 75, 78, 80, 100, 104, 120, 130, 150, 156, 195, 200, 208, 240, 260, 300, 312, 325, 390, 400, 520, 600, 624, 650, 780, 975, 1040, 1200, 1300, 1560, 1950, 1997, 2600, 3120, 3900, 3994, 5200, 5991, 7800, 7988, 9985, 11982, 15600, 15976, 19970, 23964, 25961, 29955, 31952, 39940, 47928, 49925, 51922, 59910, 77883, 79880, 95856, 99850, 103844, 119820, 129805, 149775, 155766, 159760, 199700, 207688, 239640, 259610, 299550, 311532, 389415, 399400, 415376, 479280, 519220, 599100, 623064, 649025, 778830, 798800, 1038440, 1198200, 1246128, 1298050, 1557660, 1947075, 2076880, 2396400, 2596100, 3115320, 3894150, 5192200, 6230640, 7788300, 10384400, 15576600, 31153200]

約数ペア:

[(1, 31153200), (2, 15576600), (3, 10384400), (4, 7788300), (5, 6230640), (6, 5192200), (8, 3894150), (10, 3115320), (12, 2596100), (13, 2396400), (15, 2076880), (16, 1947075), (20, 1557660), (24, 1298050), (25, 1246128), (26, 1198200), (30, 1038440), (39, 798800), (40, 778830), (48, 649025), (50, 623064), (52, 599100), (60, 519220), (65, 479280), (75, 415376), (78, 399400), (80, 389415), (100, 311532), (104, 299550), (120, 259610), (130, 239640), (150, 207688), (156, 199700), (195, 159760), (200, 155766), (208, 149775), (240, 129805), (260, 119820), (300, 103844), (312, 99850), (325, 95856), (390, 79880), (400, 77883), (520, 59910), (600, 51922), (624, 49925), (650, 47928), (780, 39940), (975, 31952), (1040, 29955), (1200, 25961), (1300, 23964), (1560, 19970), (1950, 15976), (1997, 15600), (2600, 11982), (3120, 9985), (3900, 7988), (3994, 7800), (5200, 5991)]