78121260

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{83}}^2$

素因数の和:194

約数の個数: 180

約数和(自身を含む): 283494288

約数和(自身を除く): 205373028

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 83, 84, 90, 105, 108, 126, 135, 140, 162, 166, 180, 189, 210, 249, 252, 270, 315, 324, 332, 378, 405, 415, 420, 498, 540, 567, 581, 630, 747, 756, 810, 830, 945, 996, 1134, 1162, 1245, 1260, 1494, 1620, 1660, 1743, 1890, 2241, 2268, 2324, 2490, 2835, 2905, 2988, 3486, 3735, 3780, 4482, 4980, 5229, 5670, 5810, 6723, 6889, 6972, 7470, 8715, 8964, 10458, 11205, 11340, 11620, 13446, 13778, 14940, 15687, 17430, 20667, 20916, 22410, 26145, 26892, 27556, 31374, 33615, 34445, 34860, 41334, 44820, 47061, 48223, 52290, 62001, 62748, 67230, 68890, 78435, 82668, 94122, 96446, 103335, 104580, 124002, 134460, 137780, 144669, 156870, 186003, 188244, 192892, 206670, 235305, 241115, 248004, 289338, 310005, 313740, 372006, 413340, 434007, 470610, 482230, 558009, 578676, 620010, 723345, 744012, 868014, 930015, 941220, 964460, 1116018, 1240020, 1302021, 1446690, 1736028, 1860030, 2170035, 2232036, 2604042, 2790045, 2893380, 3720060, 3906063, 4340070, 5208084, 5580090, 6510105, 7812126, 8680140, 11160180, 13020210, 15624252, 19530315, 26040420, 39060630, 78121260]

約数ペア:

[(1, 78121260), (2, 39060630), (3, 26040420), (4, 19530315), (5, 15624252), (6, 13020210), (7, 11160180), (9, 8680140), (10, 7812126), (12, 6510105), (14, 5580090), (15, 5208084), (18, 4340070), (20, 3906063), (21, 3720060), (27, 2893380), (28, 2790045), (30, 2604042), (35, 2232036), (36, 2170035), (42, 1860030), (45, 1736028), (54, 1446690), (60, 1302021), (63, 1240020), (70, 1116018), (81, 964460), (83, 941220), (84, 930015), (90, 868014), (105, 744012), (108, 723345), (126, 620010), (135, 578676), (140, 558009), (162, 482230), (166, 470610), (180, 434007), (189, 413340), (210, 372006), (249, 313740), (252, 310005), (270, 289338), (315, 248004), (324, 241115), (332, 235305), (378, 206670), (405, 192892), (415, 188244), (420, 186003), (498, 156870), (540, 144669), (567, 137780), (581, 134460), (630, 124002), (747, 104580), (756, 103335), (810, 96446), (830, 94122), (945, 82668), (996, 78435), (1134, 68890), (1162, 67230), (1245, 62748), (1260, 62001), (1494, 52290), (1620, 48223), (1660, 47061), (1743, 44820), (1890, 41334), (2241, 34860), (2268, 34445), (2324, 33615), (2490, 31374), (2835, 27556), (2905, 26892), (2988, 26145), (3486, 22410), (3735, 20916), (3780, 20667), (4482, 17430), (4980, 15687), (5229, 14940), (5670, 13778), (5810, 13446), (6723, 11620), (6889, 11340), (6972, 11205), (7470, 10458), (8715, 8964)]