72738400

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{419}}^1$

素因数の和:477

約数の個数: 144

約数和(自身を含む): 209986560

約数和(自身を除く): 137248160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 32, 35, 40, 50, 56, 62, 70, 80, 100, 112, 124, 140, 155, 160, 175, 200, 217, 224, 248, 280, 310, 350, 400, 419, 434, 496, 560, 620, 700, 775, 800, 838, 868, 992, 1085, 1120, 1240, 1400, 1550, 1676, 1736, 2095, 2170, 2480, 2800, 2933, 3100, 3352, 3472, 4190, 4340, 4960, 5425, 5600, 5866, 6200, 6704, 6944, 8380, 8680, 10475, 10850, 11732, 12400, 12989, 13408, 14665, 16760, 17360, 20950, 21700, 23464, 24800, 25978, 29330, 33520, 34720, 41900, 43400, 46928, 51956, 58660, 64945, 67040, 73325, 83800, 86800, 90923, 93856, 103912, 117320, 129890, 146650, 167600, 173600, 181846, 207824, 234640, 259780, 293300, 324725, 335200, 363692, 415648, 454615, 469280, 519560, 586600, 649450, 727384, 909230, 1039120, 1173200, 1298900, 1454768, 1818460, 2078240, 2273075, 2346400, 2597800, 2909536, 3636920, 4546150, 5195600, 7273840, 9092300, 10391200, 14547680, 18184600, 36369200, 72738400]

約数ペア:

[(1, 72738400), (2, 36369200), (4, 18184600), (5, 14547680), (7, 10391200), (8, 9092300), (10, 7273840), (14, 5195600), (16, 4546150), (20, 3636920), (25, 2909536), (28, 2597800), (31, 2346400), (32, 2273075), (35, 2078240), (40, 1818460), (50, 1454768), (56, 1298900), (62, 1173200), (70, 1039120), (80, 909230), (100, 727384), (112, 649450), (124, 586600), (140, 519560), (155, 469280), (160, 454615), (175, 415648), (200, 363692), (217, 335200), (224, 324725), (248, 293300), (280, 259780), (310, 234640), (350, 207824), (400, 181846), (419, 173600), (434, 167600), (496, 146650), (560, 129890), (620, 117320), (700, 103912), (775, 93856), (800, 90923), (838, 86800), (868, 83800), (992, 73325), (1085, 67040), (1120, 64945), (1240, 58660), (1400, 51956), (1550, 46928), (1676, 43400), (1736, 41900), (2095, 34720), (2170, 33520), (2480, 29330), (2800, 25978), (2933, 24800), (3100, 23464), (3352, 21700), (3472, 20950), (4190, 17360), (4340, 16760), (4960, 14665), (5425, 13408), (5600, 12989), (5866, 12400), (6200, 11732), (6704, 10850), (6944, 10475), (8380, 8680)]