55906020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1$

素因数の和:322

約数の個数: 144

約数和(自身を含む): 179891712

約数和(自身を除く): 123985692

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 43, 45, 60, 62, 86, 90, 93, 124, 129, 155, 172, 180, 186, 215, 233, 258, 279, 310, 372, 387, 430, 465, 466, 516, 558, 620, 645, 699, 774, 860, 930, 932, 1116, 1165, 1290, 1333, 1395, 1398, 1548, 1860, 1935, 2097, 2330, 2580, 2666, 2790, 2796, 3495, 3870, 3999, 4194, 4660, 5332, 5580, 6665, 6990, 7223, 7740, 7998, 8388, 10019, 10485, 11997, 13330, 13980, 14446, 15996, 19995, 20038, 20970, 21669, 23994, 26660, 28892, 30057, 36115, 39990, 40076, 41940, 43338, 47988, 50095, 59985, 60114, 65007, 72230, 79980, 86676, 90171, 100190, 108345, 119970, 120228, 130014, 144460, 150285, 180342, 200380, 216690, 239940, 260028, 300570, 310589, 325035, 360684, 433380, 450855, 601140, 621178, 650070, 901710, 931767, 1242356, 1300140, 1552945, 1803420, 1863534, 2795301, 3105890, 3727068, 4658835, 5590602, 6211780, 9317670, 11181204, 13976505, 18635340, 27953010, 55906020]

約数ペア:

[(1, 55906020), (2, 27953010), (3, 18635340), (4, 13976505), (5, 11181204), (6, 9317670), (9, 6211780), (10, 5590602), (12, 4658835), (15, 3727068), (18, 3105890), (20, 2795301), (30, 1863534), (31, 1803420), (36, 1552945), (43, 1300140), (45, 1242356), (60, 931767), (62, 901710), (86, 650070), (90, 621178), (93, 601140), (124, 450855), (129, 433380), (155, 360684), (172, 325035), (180, 310589), (186, 300570), (215, 260028), (233, 239940), (258, 216690), (279, 200380), (310, 180342), (372, 150285), (387, 144460), (430, 130014), (465, 120228), (466, 119970), (516, 108345), (558, 100190), (620, 90171), (645, 86676), (699, 79980), (774, 72230), (860, 65007), (930, 60114), (932, 59985), (1116, 50095), (1165, 47988), (1290, 43338), (1333, 41940), (1395, 40076), (1398, 39990), (1548, 36115), (1860, 30057), (1935, 28892), (2097, 26660), (2330, 23994), (2580, 21669), (2666, 20970), (2790, 20038), (2796, 19995), (3495, 15996), (3870, 14446), (3999, 13980), (4194, 13330), (4660, 11997), (5332, 10485), (5580, 10019), (6665, 8388), (6990, 7998), (7223, 7740)]