39840120

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{997}}^1$

素因数の和:1054

約数の個数: 128

約数和(自身を含む): 136526400

約数和(自身を除く): 96686280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 37, 40, 45, 54, 60, 72, 74, 90, 108, 111, 120, 135, 148, 180, 185, 216, 222, 270, 296, 333, 360, 370, 444, 540, 555, 666, 740, 888, 997, 999, 1080, 1110, 1332, 1480, 1665, 1994, 1998, 2220, 2664, 2991, 3330, 3988, 3996, 4440, 4985, 4995, 5982, 6660, 7976, 7992, 8973, 9970, 9990, 11964, 13320, 14955, 17946, 19940, 19980, 23928, 26919, 29910, 35892, 36889, 39880, 39960, 44865, 53838, 59820, 71784, 73778, 89730, 107676, 110667, 119640, 134595, 147556, 179460, 184445, 215352, 221334, 269190, 295112, 332001, 358920, 368890, 442668, 538380, 553335, 664002, 737780, 885336, 996003, 1076760, 1106670, 1328004, 1475560, 1660005, 1992006, 2213340, 2656008, 3320010, 3984012, 4426680, 4980015, 6640020, 7968024, 9960030, 13280040, 19920060, 39840120]

約数ペア:

[(1, 39840120), (2, 19920060), (3, 13280040), (4, 9960030), (5, 7968024), (6, 6640020), (8, 4980015), (9, 4426680), (10, 3984012), (12, 3320010), (15, 2656008), (18, 2213340), (20, 1992006), (24, 1660005), (27, 1475560), (30, 1328004), (36, 1106670), (37, 1076760), (40, 996003), (45, 885336), (54, 737780), (60, 664002), (72, 553335), (74, 538380), (90, 442668), (108, 368890), (111, 358920), (120, 332001), (135, 295112), (148, 269190), (180, 221334), (185, 215352), (216, 184445), (222, 179460), (270, 147556), (296, 134595), (333, 119640), (360, 110667), (370, 107676), (444, 89730), (540, 73778), (555, 71784), (666, 59820), (740, 53838), (888, 44865), (997, 39960), (999, 39880), (1080, 36889), (1110, 35892), (1332, 29910), (1480, 26919), (1665, 23928), (1994, 19980), (1998, 19940), (2220, 17946), (2664, 14955), (2991, 13320), (3330, 11964), (3988, 9990), (3996, 9970), (4440, 8973), (4985, 7992), (4995, 7976), (5982, 6660)]