19420560

素因数分解:

$2^4\times 3^8\times 5^1\times {\mathrm{37}}^1$

素因数の和:74

約数の個数: 180

約数和(自身を含む): 69556188

約数和(自身を除く): 50135628

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, 243, 270, 296, 324, 333, 360, 370, 405, 432, 444, 486, 540, 555, 592, 648, 666, 720, 729, 740, 810, 888, 972, 999, 1080, 1110, 1215, 1296, 1332, 1458, 1480, 1620, 1665, 1776, 1944, 1998, 2160, 2187, 2220, 2430, 2664, 2916, 2960, 2997, 3240, 3330, 3645, 3888, 3996, 4374, 4440, 4860, 4995, 5328, 5832, 5994, 6480, 6561, 6660, 7290, 7992, 8748, 8880, 8991, 9720, 9990, 10935, 11664, 11988, 13122, 13320, 14580, 14985, 15984, 17496, 17982, 19440, 19980, 21870, 23976, 26244, 26640, 26973, 29160, 29970, 32805, 34992, 35964, 39960, 43740, 44955, 47952, 52488, 53946, 58320, 59940, 65610, 71928, 79920, 80919, 87480, 89910, 104976, 107892, 119880, 131220, 134865, 143856, 161838, 174960, 179820, 215784, 239760, 242757, 262440, 269730, 323676, 359640, 404595, 431568, 485514, 524880, 539460, 647352, 719280, 809190, 971028, 1078920, 1213785, 1294704, 1618380, 1942056, 2157840, 2427570, 3236760, 3884112, 4855140, 6473520, 9710280, 19420560]

約数ペア:

[(1, 19420560), (2, 9710280), (3, 6473520), (4, 4855140), (5, 3884112), (6, 3236760), (8, 2427570), (9, 2157840), (10, 1942056), (12, 1618380), (15, 1294704), (16, 1213785), (18, 1078920), (20, 971028), (24, 809190), (27, 719280), (30, 647352), (36, 539460), (37, 524880), (40, 485514), (45, 431568), (48, 404595), (54, 359640), (60, 323676), (72, 269730), (74, 262440), (80, 242757), (81, 239760), (90, 215784), (108, 179820), (111, 174960), (120, 161838), (135, 143856), (144, 134865), (148, 131220), (162, 119880), (180, 107892), (185, 104976), (216, 89910), (222, 87480), (240, 80919), (243, 79920), (270, 71928), (296, 65610), (324, 59940), (333, 58320), (360, 53946), (370, 52488), (405, 47952), (432, 44955), (444, 43740), (486, 39960), (540, 35964), (555, 34992), (592, 32805), (648, 29970), (666, 29160), (720, 26973), (729, 26640), (740, 26244), (810, 23976), (888, 21870), (972, 19980), (999, 19440), (1080, 17982), (1110, 17496), (1215, 15984), (1296, 14985), (1332, 14580), (1458, 13320), (1480, 13122), (1620, 11988), (1665, 11664), (1776, 10935), (1944, 9990), (1998, 9720), (2160, 8991), (2187, 8880), (2220, 8748), (2430, 7992), (2664, 7290), (2916, 6660), (2960, 6561), (2997, 6480), (3240, 5994), (3330, 5832), (3645, 5328), (3888, 4995), (3996, 4860), (4374, 4440)]