78545520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{59}}^1$

素因数の和:164

約数の個数: 180

約数和(自身を含む): 274636440

約数和(自身を除く): 196090920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 43, 45, 48, 59, 60, 72, 80, 86, 90, 118, 120, 129, 144, 172, 177, 180, 215, 236, 240, 258, 295, 344, 354, 360, 387, 430, 472, 516, 531, 590, 645, 688, 708, 720, 774, 860, 885, 944, 1032, 1062, 1180, 1290, 1416, 1548, 1720, 1770, 1849, 1935, 2064, 2124, 2360, 2537, 2580, 2655, 2832, 3096, 3440, 3540, 3698, 3870, 4248, 4720, 5074, 5160, 5310, 5547, 6192, 7080, 7396, 7611, 7740, 8496, 9245, 10148, 10320, 10620, 11094, 12685, 14160, 14792, 15222, 15480, 16641, 18490, 20296, 21240, 22188, 22833, 25370, 27735, 29584, 30444, 30960, 33282, 36980, 38055, 40592, 42480, 44376, 45666, 50740, 55470, 60888, 66564, 73960, 76110, 83205, 88752, 91332, 101480, 109091, 110940, 114165, 121776, 133128, 147920, 152220, 166410, 182664, 202960, 218182, 221880, 228330, 266256, 304440, 327273, 332820, 365328, 436364, 443760, 456660, 545455, 608880, 654546, 665640, 872728, 913320, 981819, 1090910, 1309092, 1331280, 1636365, 1745456, 1826640, 1963638, 2181820, 2618184, 3272730, 3927276, 4363640, 4909095, 5236368, 6545460, 7854552, 8727280, 9818190, 13090920, 15709104, 19636380, 26181840, 39272760, 78545520]

約数ペア:

[(1, 78545520), (2, 39272760), (3, 26181840), (4, 19636380), (5, 15709104), (6, 13090920), (8, 9818190), (9, 8727280), (10, 7854552), (12, 6545460), (15, 5236368), (16, 4909095), (18, 4363640), (20, 3927276), (24, 3272730), (30, 2618184), (36, 2181820), (40, 1963638), (43, 1826640), (45, 1745456), (48, 1636365), (59, 1331280), (60, 1309092), (72, 1090910), (80, 981819), (86, 913320), (90, 872728), (118, 665640), (120, 654546), (129, 608880), (144, 545455), (172, 456660), (177, 443760), (180, 436364), (215, 365328), (236, 332820), (240, 327273), (258, 304440), (295, 266256), (344, 228330), (354, 221880), (360, 218182), (387, 202960), (430, 182664), (472, 166410), (516, 152220), (531, 147920), (590, 133128), (645, 121776), (688, 114165), (708, 110940), (720, 109091), (774, 101480), (860, 91332), (885, 88752), (944, 83205), (1032, 76110), (1062, 73960), (1180, 66564), (1290, 60888), (1416, 55470), (1548, 50740), (1720, 45666), (1770, 44376), (1849, 42480), (1935, 40592), (2064, 38055), (2124, 36980), (2360, 33282), (2537, 30960), (2580, 30444), (2655, 29584), (2832, 27735), (3096, 25370), (3440, 22833), (3540, 22188), (3698, 21240), (3870, 20296), (4248, 18490), (4720, 16641), (5074, 15480), (5160, 15222), (5310, 14792), (5547, 14160), (6192, 12685), (7080, 11094), (7396, 10620), (7611, 10320), (7740, 10148), (8496, 9245)]