54545580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1$

素因数の和:464

約数の個数: 144

約数和(自身を含む): 178869600

約数和(自身を除く): 124324020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 41, 45, 57, 60, 76, 82, 90, 95, 114, 123, 164, 171, 180, 190, 205, 228, 246, 285, 342, 369, 380, 389, 410, 492, 570, 615, 684, 738, 778, 779, 820, 855, 1140, 1167, 1230, 1476, 1556, 1558, 1710, 1845, 1945, 2334, 2337, 2460, 3116, 3420, 3501, 3690, 3890, 3895, 4668, 4674, 5835, 7002, 7011, 7380, 7391, 7780, 7790, 9348, 11670, 11685, 14004, 14022, 14782, 15580, 15949, 17505, 22173, 23340, 23370, 28044, 29564, 31898, 35010, 35055, 36955, 44346, 46740, 47847, 63796, 66519, 70020, 70110, 73910, 79745, 88692, 95694, 110865, 133038, 140220, 143541, 147820, 159490, 191388, 221730, 239235, 266076, 287082, 303031, 318980, 332595, 443460, 478470, 574164, 606062, 665190, 717705, 909093, 956940, 1212124, 1330380, 1435410, 1515155, 1818186, 2727279, 2870820, 3030310, 3636372, 4545465, 5454558, 6060620, 9090930, 10909116, 13636395, 18181860, 27272790, 54545580]

約数ペア:

[(1, 54545580), (2, 27272790), (3, 18181860), (4, 13636395), (5, 10909116), (6, 9090930), (9, 6060620), (10, 5454558), (12, 4545465), (15, 3636372), (18, 3030310), (19, 2870820), (20, 2727279), (30, 1818186), (36, 1515155), (38, 1435410), (41, 1330380), (45, 1212124), (57, 956940), (60, 909093), (76, 717705), (82, 665190), (90, 606062), (95, 574164), (114, 478470), (123, 443460), (164, 332595), (171, 318980), (180, 303031), (190, 287082), (205, 266076), (228, 239235), (246, 221730), (285, 191388), (342, 159490), (369, 147820), (380, 143541), (389, 140220), (410, 133038), (492, 110865), (570, 95694), (615, 88692), (684, 79745), (738, 73910), (778, 70110), (779, 70020), (820, 66519), (855, 63796), (1140, 47847), (1167, 46740), (1230, 44346), (1476, 36955), (1556, 35055), (1558, 35010), (1710, 31898), (1845, 29564), (1945, 28044), (2334, 23370), (2337, 23340), (2460, 22173), (3116, 17505), (3420, 15949), (3501, 15580), (3690, 14782), (3890, 14022), (3895, 14004), (4668, 11685), (4674, 11670), (5835, 9348), (7002, 7790), (7011, 7780), (7380, 7391)]