78030540

素因数分解:

$2^2\times 3^4\times 5^1\times 7^2\times {\mathrm{983}}^1$

素因数の和:1018

約数の個数: 180

約数和(自身を含む): 285039216

約数和(自身を除く): 207008676

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, 49, 54, 60, 63, 70, 81, 84, 90, 98, 105, 108, 126, 135, 140, 147, 162, 180, 189, 196, 210, 245, 252, 270, 294, 315, 324, 378, 405, 420, 441, 490, 540, 567, 588, 630, 735, 756, 810, 882, 945, 980, 983, 1134, 1260, 1323, 1470, 1620, 1764, 1890, 1966, 2205, 2268, 2646, 2835, 2940, 2949, 3780, 3932, 3969, 4410, 4915, 5292, 5670, 5898, 6615, 6881, 7938, 8820, 8847, 9830, 11340, 11796, 13230, 13762, 14745, 15876, 17694, 19660, 19845, 20643, 26460, 26541, 27524, 29490, 34405, 35388, 39690, 41286, 44235, 48167, 53082, 58980, 61929, 68810, 79380, 79623, 82572, 88470, 96334, 103215, 106164, 123858, 132705, 137620, 144501, 159246, 176940, 185787, 192668, 206430, 240835, 247716, 265410, 289002, 309645, 318492, 371574, 398115, 412860, 433503, 481670, 530820, 557361, 578004, 619290, 722505, 743148, 796230, 867006, 928935, 963340, 1114722, 1238580, 1300509, 1445010, 1592460, 1734012, 1857870, 2167515, 2229444, 2601018, 2786805, 2890020, 3715740, 3901527, 4335030, 5202036, 5573610, 6502545, 7803054, 8670060, 11147220, 13005090, 15606108, 19507635, 26010180, 39015270, 78030540]

約数ペア:

[(1, 78030540), (2, 39015270), (3, 26010180), (4, 19507635), (5, 15606108), (6, 13005090), (7, 11147220), (9, 8670060), (10, 7803054), (12, 6502545), (14, 5573610), (15, 5202036), (18, 4335030), (20, 3901527), (21, 3715740), (27, 2890020), (28, 2786805), (30, 2601018), (35, 2229444), (36, 2167515), (42, 1857870), (45, 1734012), (49, 1592460), (54, 1445010), (60, 1300509), (63, 1238580), (70, 1114722), (81, 963340), (84, 928935), (90, 867006), (98, 796230), (105, 743148), (108, 722505), (126, 619290), (135, 578004), (140, 557361), (147, 530820), (162, 481670), (180, 433503), (189, 412860), (196, 398115), (210, 371574), (245, 318492), (252, 309645), (270, 289002), (294, 265410), (315, 247716), (324, 240835), (378, 206430), (405, 192668), (420, 185787), (441, 176940), (490, 159246), (540, 144501), (567, 137620), (588, 132705), (630, 123858), (735, 106164), (756, 103215), (810, 96334), (882, 88470), (945, 82572), (980, 79623), (983, 79380), (1134, 68810), (1260, 61929), (1323, 58980), (1470, 53082), (1620, 48167), (1764, 44235), (1890, 41286), (1966, 39690), (2205, 35388), (2268, 34405), (2646, 29490), (2835, 27524), (2940, 26541), (2949, 26460), (3780, 20643), (3932, 19845), (3969, 19660), (4410, 17694), (4915, 15876), (5292, 14745), (5670, 13762), (5898, 13230), (6615, 11796), (6881, 11340), (7938, 9830), (8820, 8847)]