61018920

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{509}}^1$

素因数の和:569

約数の個数: 160

約数和(自身を含む): 211048200

約数和(自身を除く): 150029280

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, 81, 90, 108, 111, 120, 135, 148, 162, 180, 185, 216, 222, 270, 296, 324, 333, 360, 370, 405, 444, 509, 540, 555, 648, 666, 740, 810, 888, 999, 1018, 1080, 1110, 1332, 1480, 1527, 1620, 1665, 1998, 2036, 2220, 2545, 2664, 2997, 3054, 3240, 3330, 3996, 4072, 4440, 4581, 4995, 5090, 5994, 6108, 6660, 7635, 7992, 9162, 9990, 10180, 11988, 12216, 13320, 13743, 14985, 15270, 18324, 18833, 19980, 20360, 22905, 23976, 27486, 29970, 30540, 36648, 37666, 39960, 41229, 45810, 54972, 56499, 59940, 61080, 68715, 75332, 82458, 91620, 94165, 109944, 112998, 119880, 137430, 150664, 164916, 169497, 183240, 188330, 206145, 225996, 274860, 282495, 329832, 338994, 376660, 412290, 451992, 508491, 549720, 564990, 677988, 753320, 824580, 847485, 1016982, 1129980, 1355976, 1525473, 1649160, 1694970, 2033964, 2259960, 2542455, 3050946, 3389940, 4067928, 5084910, 6101892, 6779880, 7627365, 10169820, 12203784, 15254730, 20339640, 30509460, 61018920]

約数ペア:

[(1, 61018920), (2, 30509460), (3, 20339640), (4, 15254730), (5, 12203784), (6, 10169820), (8, 7627365), (9, 6779880), (10, 6101892), (12, 5084910), (15, 4067928), (18, 3389940), (20, 3050946), (24, 2542455), (27, 2259960), (30, 2033964), (36, 1694970), (37, 1649160), (40, 1525473), (45, 1355976), (54, 1129980), (60, 1016982), (72, 847485), (74, 824580), (81, 753320), (90, 677988), (108, 564990), (111, 549720), (120, 508491), (135, 451992), (148, 412290), (162, 376660), (180, 338994), (185, 329832), (216, 282495), (222, 274860), (270, 225996), (296, 206145), (324, 188330), (333, 183240), (360, 169497), (370, 164916), (405, 150664), (444, 137430), (509, 119880), (540, 112998), (555, 109944), (648, 94165), (666, 91620), (740, 82458), (810, 75332), (888, 68715), (999, 61080), (1018, 59940), (1080, 56499), (1110, 54972), (1332, 45810), (1480, 41229), (1527, 39960), (1620, 37666), (1665, 36648), (1998, 30540), (2036, 29970), (2220, 27486), (2545, 23976), (2664, 22905), (2997, 20360), (3054, 19980), (3240, 18833), (3330, 18324), (3996, 15270), (4072, 14985), (4440, 13743), (4581, 13320), (4995, 12216), (5090, 11988), (5994, 10180), (6108, 9990), (6660, 9162), (7635, 7992)]