721201320

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{31799}}^1$

素因数の和:31829

約数の個数: 160

約数和(自身を含む): 2770416000

約数和(自身を除く): 2049214680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 252, 270, 280, 315, 324, 360, 378, 405, 420, 504, 540, 567, 630, 648, 756, 810, 840, 945, 1080, 1134, 1260, 1512, 1620, 1890, 2268, 2520, 2835, 3240, 3780, 4536, 5670, 7560, 11340, 22680, 31799, 63598, 95397, 127196, 158995, 190794, 222593, 254392, 286191, 317990, 381588, 445186, 476985, 572382, 635980, 667779, 763176, 858573, 890372, 953970, 1112965, 1144764, 1271960, 1335558, 1430955, 1717146, 1780744, 1907940, 2003337, 2225930, 2289528, 2575719, 2671116, 2861910, 3338895, 3434292, 3815880, 4006674, 4292865, 4451860, 5151438, 5342232, 5723820, 6010011, 6677790, 6868584, 8013348, 8585730, 8903720, 10016685, 10302876, 11447640, 12020022, 12878595, 13355580, 16026696, 17171460, 18030033, 20033370, 20605752, 24040044, 25757190, 26711160, 30050055, 34342920, 36060066, 40066740, 48080088, 51514380, 60100110, 72120132, 80133480, 90150165, 103028760, 120200220, 144240264, 180300330, 240400440, 360600660, 721201320]

約数ペア:

[(1, 721201320), (2, 360600660), (3, 240400440), (4, 180300330), (5, 144240264), (6, 120200220), (7, 103028760), (8, 90150165), (9, 80133480), (10, 72120132), (12, 60100110), (14, 51514380), (15, 48080088), (18, 40066740), (20, 36060066), (21, 34342920), (24, 30050055), (27, 26711160), (28, 25757190), (30, 24040044), (35, 20605752), (36, 20033370), (40, 18030033), (42, 17171460), (45, 16026696), (54, 13355580), (56, 12878595), (60, 12020022), (63, 11447640), (70, 10302876), (72, 10016685), (81, 8903720), (84, 8585730), (90, 8013348), (105, 6868584), (108, 6677790), (120, 6010011), (126, 5723820), (135, 5342232), (140, 5151438), (162, 4451860), (168, 4292865), (180, 4006674), (189, 3815880), (210, 3434292), (216, 3338895), (252, 2861910), (270, 2671116), (280, 2575719), (315, 2289528), (324, 2225930), (360, 2003337), (378, 1907940), (405, 1780744), (420, 1717146), (504, 1430955), (540, 1335558), (567, 1271960), (630, 1144764), (648, 1112965), (756, 953970), (810, 890372), (840, 858573), (945, 763176), (1080, 667779), (1134, 635980), (1260, 572382), (1512, 476985), (1620, 445186), (1890, 381588), (2268, 317990), (2520, 286191), (2835, 254392), (3240, 222593), (3780, 190794), (4536, 158995), (5670, 127196), (7560, 95397), (11340, 63598), (22680, 31799)]