2828280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:78

約数の個数: 192

約数和(自身を含む): 10916640

約数和(自身を除く): 8088360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 37, 39, 40, 42, 49, 52, 56, 60, 65, 70, 74, 78, 84, 91, 98, 104, 105, 111, 120, 130, 140, 147, 148, 156, 168, 182, 185, 195, 196, 210, 222, 245, 259, 260, 273, 280, 294, 296, 312, 364, 370, 390, 392, 420, 444, 455, 481, 490, 518, 520, 546, 555, 588, 637, 728, 735, 740, 777, 780, 840, 888, 910, 962, 980, 1036, 1092, 1110, 1176, 1274, 1295, 1365, 1443, 1470, 1480, 1554, 1560, 1813, 1820, 1911, 1924, 1960, 2072, 2184, 2220, 2405, 2548, 2590, 2730, 2886, 2940, 3108, 3185, 3367, 3626, 3640, 3822, 3848, 3885, 4440, 4810, 5096, 5180, 5439, 5460, 5772, 5880, 6216, 6370, 6734, 7215, 7252, 7644, 7770, 9065, 9555, 9620, 10101, 10360, 10878, 10920, 11544, 12740, 13468, 14430, 14504, 15288, 15540, 16835, 18130, 19110, 19240, 20202, 21756, 23569, 25480, 26936, 27195, 28860, 31080, 33670, 36260, 38220, 40404, 43512, 47138, 50505, 54390, 57720, 67340, 70707, 72520, 76440, 80808, 94276, 101010, 108780, 117845, 134680, 141414, 188552, 202020, 217560, 235690, 282828, 353535, 404040, 471380, 565656, 707070, 942760, 1414140, 2828280]

約数ペア:

[(1, 2828280), (2, 1414140), (3, 942760), (4, 707070), (5, 565656), (6, 471380), (7, 404040), (8, 353535), (10, 282828), (12, 235690), (13, 217560), (14, 202020), (15, 188552), (20, 141414), (21, 134680), (24, 117845), (26, 108780), (28, 101010), (30, 94276), (35, 80808), (37, 76440), (39, 72520), (40, 70707), (42, 67340), (49, 57720), (52, 54390), (56, 50505), (60, 47138), (65, 43512), (70, 40404), (74, 38220), (78, 36260), (84, 33670), (91, 31080), (98, 28860), (104, 27195), (105, 26936), (111, 25480), (120, 23569), (130, 21756), (140, 20202), (147, 19240), (148, 19110), (156, 18130), (168, 16835), (182, 15540), (185, 15288), (195, 14504), (196, 14430), (210, 13468), (222, 12740), (245, 11544), (259, 10920), (260, 10878), (273, 10360), (280, 10101), (294, 9620), (296, 9555), (312, 9065), (364, 7770), (370, 7644), (390, 7252), (392, 7215), (420, 6734), (444, 6370), (455, 6216), (481, 5880), (490, 5772), (518, 5460), (520, 5439), (546, 5180), (555, 5096), (588, 4810), (637, 4440), (728, 3885), (735, 3848), (740, 3822), (777, 3640), (780, 3626), (840, 3367), (888, 3185), (910, 3108), (962, 2940), (980, 2886), (1036, 2730), (1092, 2590), (1110, 2548), (1176, 2405), (1274, 2220), (1295, 2184), (1365, 2072), (1443, 1960), (1470, 1924), (1480, 1911), (1554, 1820), (1560, 1813)]