478800720

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1997}}^1$

素因数の和:2059

約数の個数: 200

約数和(自身を含む): 1708745544

約数和(自身を除く): 1229944824

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 37, 40, 45, 48, 54, 60, 72, 74, 80, 81, 90, 108, 111, 120, 135, 144, 148, 162, 180, 185, 216, 222, 240, 270, 296, 324, 333, 360, 370, 405, 432, 444, 540, 555, 592, 648, 666, 720, 740, 810, 888, 999, 1080, 1110, 1296, 1332, 1480, 1620, 1665, 1776, 1997, 1998, 2160, 2220, 2664, 2960, 2997, 3240, 3330, 3994, 3996, 4440, 4995, 5328, 5991, 5994, 6480, 6660, 7988, 7992, 8880, 9985, 9990, 11982, 11988, 13320, 14985, 15976, 15984, 17973, 19970, 19980, 23964, 23976, 26640, 29955, 29970, 31952, 35946, 39940, 39960, 47928, 47952, 53919, 59910, 59940, 71892, 73889, 79880, 79920, 89865, 95856, 107838, 119820, 119880, 143784, 147778, 159760, 161757, 179730, 215676, 221667, 239640, 239760, 269595, 287568, 295556, 323514, 359460, 369445, 431352, 443334, 479280, 539190, 591112, 647028, 665001, 718920, 738890, 808785, 862704, 886668, 1078380, 1108335, 1182224, 1294056, 1330002, 1437840, 1477780, 1617570, 1773336, 1995003, 2156760, 2216670, 2588112, 2660004, 2955560, 3235140, 3325005, 3546672, 3990006, 4313520, 4433340, 5320008, 5911120, 5985009, 6470280, 6650010, 7980012, 8866680, 9975015, 10640016, 11970018, 12940560, 13300020, 15960024, 17733360, 19950030, 23940036, 26600040, 29925045, 31920048, 39900060, 47880072, 53200080, 59850090, 79800120, 95760144, 119700180, 159600240, 239400360, 478800720]

約数ペア:

[(1, 478800720), (2, 239400360), (3, 159600240), (4, 119700180), (5, 95760144), (6, 79800120), (8, 59850090), (9, 53200080), (10, 47880072), (12, 39900060), (15, 31920048), (16, 29925045), (18, 26600040), (20, 23940036), (24, 19950030), (27, 17733360), (30, 15960024), (36, 13300020), (37, 12940560), (40, 11970018), (45, 10640016), (48, 9975015), (54, 8866680), (60, 7980012), (72, 6650010), (74, 6470280), (80, 5985009), (81, 5911120), (90, 5320008), (108, 4433340), (111, 4313520), (120, 3990006), (135, 3546672), (144, 3325005), (148, 3235140), (162, 2955560), (180, 2660004), (185, 2588112), (216, 2216670), (222, 2156760), (240, 1995003), (270, 1773336), (296, 1617570), (324, 1477780), (333, 1437840), (360, 1330002), (370, 1294056), (405, 1182224), (432, 1108335), (444, 1078380), (540, 886668), (555, 862704), (592, 808785), (648, 738890), (666, 718920), (720, 665001), (740, 647028), (810, 591112), (888, 539190), (999, 479280), (1080, 443334), (1110, 431352), (1296, 369445), (1332, 359460), (1480, 323514), (1620, 295556), (1665, 287568), (1776, 269595), (1997, 239760), (1998, 239640), (2160, 221667), (2220, 215676), (2664, 179730), (2960, 161757), (2997, 159760), (3240, 147778), (3330, 143784), (3994, 119880), (3996, 119820), (4440, 107838), (4995, 95856), (5328, 89865), (5991, 79920), (5994, 79880), (6480, 73889), (6660, 71892), (7988, 59940), (7992, 59910), (8880, 53919), (9985, 47952), (9990, 47928), (11982, 39960), (11988, 39940), (13320, 35946), (14985, 31952), (15976, 29970), (15984, 29955), (17973, 26640), (19970, 23976), (19980, 23964)]