40747140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{443}}^1$

素因数の和:538

約数の個数: 144

約数和(自身を含む): 143515008

約数和(自身を除く): 102767868

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 73, 84, 90, 105, 126, 140, 146, 180, 210, 219, 252, 292, 315, 365, 420, 438, 443, 511, 630, 657, 730, 876, 886, 1022, 1095, 1260, 1314, 1329, 1460, 1533, 1772, 2044, 2190, 2215, 2555, 2628, 2658, 3066, 3101, 3285, 3987, 4380, 4430, 4599, 5110, 5316, 6132, 6202, 6570, 6645, 7665, 7974, 8860, 9198, 9303, 10220, 12404, 13140, 13290, 15330, 15505, 15948, 18396, 18606, 19935, 22995, 26580, 27909, 30660, 31010, 32339, 37212, 39870, 45990, 46515, 55818, 62020, 64678, 79740, 91980, 93030, 97017, 111636, 129356, 139545, 161695, 186060, 194034, 226373, 279090, 291051, 323390, 388068, 452746, 485085, 558180, 582102, 646780, 679119, 905492, 970170, 1131865, 1164204, 1358238, 1455255, 1940340, 2037357, 2263730, 2716476, 2910510, 3395595, 4074714, 4527460, 5821020, 6791190, 8149428, 10186785, 13582380, 20373570, 40747140]

約数ペア:

[(1, 40747140), (2, 20373570), (3, 13582380), (4, 10186785), (5, 8149428), (6, 6791190), (7, 5821020), (9, 4527460), (10, 4074714), (12, 3395595), (14, 2910510), (15, 2716476), (18, 2263730), (20, 2037357), (21, 1940340), (28, 1455255), (30, 1358238), (35, 1164204), (36, 1131865), (42, 970170), (45, 905492), (60, 679119), (63, 646780), (70, 582102), (73, 558180), (84, 485085), (90, 452746), (105, 388068), (126, 323390), (140, 291051), (146, 279090), (180, 226373), (210, 194034), (219, 186060), (252, 161695), (292, 139545), (315, 129356), (365, 111636), (420, 97017), (438, 93030), (443, 91980), (511, 79740), (630, 64678), (657, 62020), (730, 55818), (876, 46515), (886, 45990), (1022, 39870), (1095, 37212), (1260, 32339), (1314, 31010), (1329, 30660), (1460, 27909), (1533, 26580), (1772, 22995), (2044, 19935), (2190, 18606), (2215, 18396), (2555, 15948), (2628, 15505), (2658, 15330), (3066, 13290), (3101, 13140), (3285, 12404), (3987, 10220), (4380, 9303), (4430, 9198), (4599, 8860), (5110, 7974), (5316, 7665), (6132, 6645), (6202, 6570)]