256063860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:243

約数の個数: 288

約数和(自身を含む): 913060512

約数和(自身を除く): 656996652

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 30, 34, 36, 39, 41, 45, 51, 52, 60, 65, 68, 78, 82, 85, 90, 102, 117, 123, 130, 153, 156, 157, 164, 170, 180, 195, 204, 205, 221, 234, 246, 255, 260, 306, 314, 340, 369, 390, 410, 442, 468, 471, 492, 510, 533, 585, 612, 615, 628, 663, 697, 738, 765, 780, 785, 820, 884, 942, 1020, 1066, 1105, 1170, 1230, 1326, 1394, 1413, 1476, 1530, 1570, 1599, 1845, 1884, 1989, 2041, 2091, 2132, 2210, 2340, 2355, 2460, 2652, 2665, 2669, 2788, 2826, 3060, 3140, 3198, 3315, 3485, 3690, 3978, 4082, 4182, 4420, 4710, 4797, 5330, 5338, 5652, 6123, 6273, 6396, 6437, 6630, 6970, 7065, 7380, 7956, 7995, 8007, 8164, 8364, 9061, 9420, 9594, 9945, 10205, 10455, 10660, 10676, 12246, 12546, 12874, 13260, 13345, 13940, 14130, 15990, 16014, 18122, 18369, 19188, 19311, 19890, 20410, 20910, 23985, 24021, 24492, 25092, 25748, 26690, 27183, 28260, 30615, 31365, 31980, 32028, 32185, 34697, 36244, 36738, 38622, 39780, 40035, 40820, 41820, 45305, 47970, 48042, 53380, 54366, 57933, 61230, 62730, 64370, 69394, 73476, 77244, 80070, 81549, 83681, 90610, 91845, 95940, 96084, 96555, 104091, 108732, 109429, 115866, 120105, 122460, 125460, 128740, 135915, 138788, 160140, 163098, 167362, 173485, 181220, 183690, 193110, 208182, 218858, 231732, 240210, 251043, 271830, 289665, 312273, 326196, 328287, 334724, 346970, 367380, 386220, 407745, 416364, 418405, 437716, 480420, 502086, 520455, 543660, 547145, 579330, 624546, 656574, 693940, 753129, 815490, 836810, 984861, 1004172, 1040910, 1094290, 1158660, 1249092, 1255215, 1313148, 1422577, 1506258, 1561365, 1630980, 1641435, 1673620, 1969722, 2081820, 2188580, 2510430, 2845154, 3012516, 3122730, 3282870, 3765645, 3939444, 4267731, 4924305, 5020860, 5690308, 6245460, 6565740, 7112885, 7531290, 8535462, 9848610, 12803193, 14225770, 15062580, 17070924, 19697220, 21338655, 25606386, 28451540, 42677310, 51212772, 64015965, 85354620, 128031930, 256063860]

約数ペア:

[(1, 256063860), (2, 128031930), (3, 85354620), (4, 64015965), (5, 51212772), (6, 42677310), (9, 28451540), (10, 25606386), (12, 21338655), (13, 19697220), (15, 17070924), (17, 15062580), (18, 14225770), (20, 12803193), (26, 9848610), (30, 8535462), (34, 7531290), (36, 7112885), (39, 6565740), (41, 6245460), (45, 5690308), (51, 5020860), (52, 4924305), (60, 4267731), (65, 3939444), (68, 3765645), (78, 3282870), (82, 3122730), (85, 3012516), (90, 2845154), (102, 2510430), (117, 2188580), (123, 2081820), (130, 1969722), (153, 1673620), (156, 1641435), (157, 1630980), (164, 1561365), (170, 1506258), (180, 1422577), (195, 1313148), (204, 1255215), (205, 1249092), (221, 1158660), (234, 1094290), (246, 1040910), (255, 1004172), (260, 984861), (306, 836810), (314, 815490), (340, 753129), (369, 693940), (390, 656574), (410, 624546), (442, 579330), (468, 547145), (471, 543660), (492, 520455), (510, 502086), (533, 480420), (585, 437716), (612, 418405), (615, 416364), (628, 407745), (663, 386220), (697, 367380), (738, 346970), (765, 334724), (780, 328287), (785, 326196), (820, 312273), (884, 289665), (942, 271830), (1020, 251043), (1066, 240210), (1105, 231732), (1170, 218858), (1230, 208182), (1326, 193110), (1394, 183690), (1413, 181220), (1476, 173485), (1530, 167362), (1570, 163098), (1599, 160140), (1845, 138788), (1884, 135915), (1989, 128740), (2041, 125460), (2091, 122460), (2132, 120105), (2210, 115866), (2340, 109429), (2355, 108732), (2460, 104091), (2652, 96555), (2665, 96084), (2669, 95940), (2788, 91845), (2826, 90610), (3060, 83681), (3140, 81549), (3198, 80070), (3315, 77244), (3485, 73476), (3690, 69394), (3978, 64370), (4082, 62730), (4182, 61230), (4420, 57933), (4710, 54366), (4797, 53380), (5330, 48042), (5338, 47970), (5652, 45305), (6123, 41820), (6273, 40820), (6396, 40035), (6437, 39780), (6630, 38622), (6970, 36738), (7065, 36244), (7380, 34697), (7956, 32185), (7995, 32028), (8007, 31980), (8164, 31365), (8364, 30615), (9061, 28260), (9420, 27183), (9594, 26690), (9945, 25748), (10205, 25092), (10455, 24492), (10660, 24021), (10676, 23985), (12246, 20910), (12546, 20410), (12874, 19890), (13260, 19311), (13345, 19188), (13940, 18369), (14130, 18122), (15990, 16014)]