213226680

素因数分解:

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

素因数の和:162

約数の個数: 144

約数和(自身を含む): 676709640

約数和(自身を除く): 463482960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 43, 60, 62, 86, 93, 120, 124, 129, 155, 172, 186, 215, 248, 258, 310, 344, 372, 430, 465, 516, 620, 645, 744, 860, 930, 961, 1032, 1240, 1290, 1333, 1720, 1849, 1860, 1922, 2580, 2666, 2883, 3698, 3720, 3844, 3999, 4805, 5160, 5332, 5547, 5766, 6665, 7396, 7688, 7998, 9245, 9610, 10664, 11094, 11532, 13330, 14415, 14792, 15996, 18490, 19220, 19995, 22188, 23064, 26660, 27735, 28830, 31992, 36980, 38440, 39990, 41323, 44376, 53320, 55470, 57319, 57660, 73960, 79980, 82646, 110940, 114638, 115320, 123969, 159960, 165292, 171957, 206615, 221880, 229276, 247938, 286595, 330584, 343914, 413230, 458552, 495876, 573190, 619845, 687828, 826460, 859785, 991752, 1146380, 1239690, 1375656, 1652920, 1719570, 1776889, 2292760, 2479380, 3439140, 3553778, 4958760, 5330667, 6878280, 7107556, 8884445, 10661334, 14215112, 17768890, 21322668, 26653335, 35537780, 42645336, 53306670, 71075560, 106613340, 213226680]

約数ペア:

[(1, 213226680), (2, 106613340), (3, 71075560), (4, 53306670), (5, 42645336), (6, 35537780), (8, 26653335), (10, 21322668), (12, 17768890), (15, 14215112), (20, 10661334), (24, 8884445), (30, 7107556), (31, 6878280), (40, 5330667), (43, 4958760), (60, 3553778), (62, 3439140), (86, 2479380), (93, 2292760), (120, 1776889), (124, 1719570), (129, 1652920), (155, 1375656), (172, 1239690), (186, 1146380), (215, 991752), (248, 859785), (258, 826460), (310, 687828), (344, 619845), (372, 573190), (430, 495876), (465, 458552), (516, 413230), (620, 343914), (645, 330584), (744, 286595), (860, 247938), (930, 229276), (961, 221880), (1032, 206615), (1240, 171957), (1290, 165292), (1333, 159960), (1720, 123969), (1849, 115320), (1860, 114638), (1922, 110940), (2580, 82646), (2666, 79980), (2883, 73960), (3698, 57660), (3720, 57319), (3844, 55470), (3999, 53320), (4805, 44376), (5160, 41323), (5332, 39990), (5547, 38440), (5766, 36980), (6665, 31992), (7396, 28830), (7688, 27735), (7998, 26660), (9245, 23064), (9610, 22188), (10664, 19995), (11094, 19220), (11532, 18490), (13330, 15996), (14415, 14792)]