228727440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{647}}^1$

素因数の和:1157

約数の個数: 120

約数和(自身を含む): 770897088

約数和(自身を除く): 542169648

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 491, 647, 720, 982, 1294, 1473, 1941, 1964, 2455, 2588, 2946, 3235, 3882, 3928, 4419, 4910, 5176, 5823, 5892, 6470, 7365, 7764, 7856, 8838, 9705, 9820, 10352, 11646, 11784, 12940, 14730, 15528, 17676, 19410, 19640, 22095, 23292, 23568, 25880, 29115, 29460, 31056, 35352, 38820, 39280, 44190, 46584, 51760, 58230, 58920, 70704, 77640, 88380, 93168, 116460, 117840, 155280, 176760, 232920, 317677, 353520, 465840, 635354, 953031, 1270708, 1588385, 1906062, 2541416, 2859093, 3176770, 3812124, 4765155, 5082832, 5718186, 6353540, 7624248, 9530310, 11436372, 12707080, 14295465, 15248496, 19060620, 22872744, 25414160, 28590930, 38121240, 45745488, 57181860, 76242480, 114363720, 228727440]

約数ペア:

[(1, 228727440), (2, 114363720), (3, 76242480), (4, 57181860), (5, 45745488), (6, 38121240), (8, 28590930), (9, 25414160), (10, 22872744), (12, 19060620), (15, 15248496), (16, 14295465), (18, 12707080), (20, 11436372), (24, 9530310), (30, 7624248), (36, 6353540), (40, 5718186), (45, 5082832), (48, 4765155), (60, 3812124), (72, 3176770), (80, 2859093), (90, 2541416), (120, 1906062), (144, 1588385), (180, 1270708), (240, 953031), (360, 635354), (491, 465840), (647, 353520), (720, 317677), (982, 232920), (1294, 176760), (1473, 155280), (1941, 117840), (1964, 116460), (2455, 93168), (2588, 88380), (2946, 77640), (3235, 70704), (3882, 58920), (3928, 58230), (4419, 51760), (4910, 46584), (5176, 44190), (5823, 39280), (5892, 38820), (6470, 35352), (7365, 31056), (7764, 29460), (7856, 29115), (8838, 25880), (9705, 23568), (9820, 23292), (10352, 22095), (11646, 19640), (11784, 19410), (12940, 17676), (14730, 15528)]