256912110

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1$

素因数の和:192

約数の個数: 288

約数和(自身を含む): 876994560

約数和(自身を除く): 620082450

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 19, 21, 26, 30, 35, 38, 39, 42, 45, 57, 63, 65, 70, 78, 90, 91, 95, 105, 114, 117, 126, 127, 130, 133, 169, 171, 182, 190, 195, 210, 234, 247, 254, 266, 273, 285, 315, 338, 342, 381, 390, 399, 455, 494, 507, 546, 570, 585, 630, 635, 665, 741, 762, 798, 819, 845, 855, 889, 910, 1014, 1143, 1170, 1183, 1197, 1235, 1270, 1330, 1365, 1482, 1521, 1638, 1651, 1690, 1710, 1729, 1778, 1905, 1995, 2223, 2286, 2366, 2394, 2413, 2470, 2535, 2667, 2730, 3042, 3211, 3302, 3458, 3549, 3705, 3810, 3990, 4095, 4445, 4446, 4826, 4953, 5070, 5187, 5334, 5715, 5915, 5985, 6422, 7098, 7239, 7410, 7605, 8001, 8190, 8255, 8645, 8890, 9633, 9906, 10374, 10647, 11115, 11430, 11557, 11830, 11970, 12065, 13335, 14478, 14859, 15210, 15561, 16002, 16055, 16510, 16891, 17290, 17745, 19266, 21294, 21463, 21717, 22230, 22477, 23114, 24130, 24765, 25935, 26670, 28899, 29718, 31122, 31369, 32110, 33782, 34671, 35490, 36195, 40005, 42926, 43434, 44954, 48165, 49530, 50673, 51870, 53235, 57785, 57798, 62738, 64389, 67431, 69342, 72390, 74295, 77805, 80010, 84455, 94107, 96330, 101346, 104013, 106470, 107315, 108585, 112385, 115570, 128778, 134862, 144495, 148590, 150241, 152019, 155610, 156845, 168910, 173355, 188214, 193167, 202293, 208026, 214630, 217170, 219583, 224770, 253365, 282321, 288990, 300482, 304038, 313690, 321945, 337155, 346710, 386334, 404586, 407797, 439166, 450723, 470535, 506730, 520065, 564642, 643890, 658749, 674310, 751205, 760095, 815594, 901446, 941070, 965835, 1011465, 1040130, 1097915, 1223391, 1317498, 1352169, 1411605, 1502410, 1520190, 1931670, 1976247, 2022930, 2038985, 2195830, 2253615, 2446782, 2704338, 2823210, 2854579, 3293745, 3670173, 3952494, 4077970, 4507230, 5709158, 6116955, 6587490, 6760845, 7340346, 8563737, 9881235, 12233910, 13521690, 14272895, 17127474, 18350865, 19762470, 25691211, 28545790, 36701730, 42818685, 51382422, 85637370, 128456055, 256912110]

約数ペア:

[(1, 256912110), (2, 128456055), (3, 85637370), (5, 51382422), (6, 42818685), (7, 36701730), (9, 28545790), (10, 25691211), (13, 19762470), (14, 18350865), (15, 17127474), (18, 14272895), (19, 13521690), (21, 12233910), (26, 9881235), (30, 8563737), (35, 7340346), (38, 6760845), (39, 6587490), (42, 6116955), (45, 5709158), (57, 4507230), (63, 4077970), (65, 3952494), (70, 3670173), (78, 3293745), (90, 2854579), (91, 2823210), (95, 2704338), (105, 2446782), (114, 2253615), (117, 2195830), (126, 2038985), (127, 2022930), (130, 1976247), (133, 1931670), (169, 1520190), (171, 1502410), (182, 1411605), (190, 1352169), (195, 1317498), (210, 1223391), (234, 1097915), (247, 1040130), (254, 1011465), (266, 965835), (273, 941070), (285, 901446), (315, 815594), (338, 760095), (342, 751205), (381, 674310), (390, 658749), (399, 643890), (455, 564642), (494, 520065), (507, 506730), (546, 470535), (570, 450723), (585, 439166), (630, 407797), (635, 404586), (665, 386334), (741, 346710), (762, 337155), (798, 321945), (819, 313690), (845, 304038), (855, 300482), (889, 288990), (910, 282321), (1014, 253365), (1143, 224770), (1170, 219583), (1183, 217170), (1197, 214630), (1235, 208026), (1270, 202293), (1330, 193167), (1365, 188214), (1482, 173355), (1521, 168910), (1638, 156845), (1651, 155610), (1690, 152019), (1710, 150241), (1729, 148590), (1778, 144495), (1905, 134862), (1995, 128778), (2223, 115570), (2286, 112385), (2366, 108585), (2394, 107315), (2413, 106470), (2470, 104013), (2535, 101346), (2667, 96330), (2730, 94107), (3042, 84455), (3211, 80010), (3302, 77805), (3458, 74295), (3549, 72390), (3705, 69342), (3810, 67431), (3990, 64389), (4095, 62738), (4445, 57798), (4446, 57785), (4826, 53235), (4953, 51870), (5070, 50673), (5187, 49530), (5334, 48165), (5715, 44954), (5915, 43434), (5985, 42926), (6422, 40005), (7098, 36195), (7239, 35490), (7410, 34671), (7605, 33782), (8001, 32110), (8190, 31369), (8255, 31122), (8645, 29718), (8890, 28899), (9633, 26670), (9906, 25935), (10374, 24765), (10647, 24130), (11115, 23114), (11430, 22477), (11557, 22230), (11830, 21717), (11970, 21463), (12065, 21294), (13335, 19266), (14478, 17745), (14859, 17290), (15210, 16891), (15561, 16510), (16002, 16055)]