251341272

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{673}}^1$

素因数の和:727

約数の個数: 256

約数和(自身を含む): 905856000

約数和(自身を除く): 654514728

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 19, 21, 24, 26, 27, 28, 36, 38, 39, 42, 52, 54, 56, 57, 63, 72, 76, 78, 84, 91, 104, 108, 114, 117, 126, 133, 152, 156, 168, 171, 182, 189, 216, 228, 234, 247, 252, 266, 273, 312, 342, 351, 364, 378, 399, 456, 468, 494, 504, 513, 532, 546, 673, 684, 702, 728, 741, 756, 798, 819, 936, 988, 1026, 1064, 1092, 1197, 1346, 1368, 1404, 1482, 1512, 1596, 1638, 1729, 1976, 2019, 2052, 2184, 2223, 2394, 2457, 2692, 2808, 2964, 3192, 3276, 3458, 3591, 4038, 4104, 4446, 4711, 4788, 4914, 5187, 5384, 5928, 6057, 6552, 6669, 6916, 7182, 8076, 8749, 8892, 9422, 9576, 9828, 10374, 12114, 12787, 13338, 13832, 14133, 14364, 15561, 16152, 17498, 17784, 18171, 18844, 19656, 20748, 24228, 25574, 26247, 26676, 28266, 28728, 31122, 34996, 36342, 37688, 38361, 41496, 42399, 46683, 48456, 51148, 52494, 53352, 56532, 61243, 62244, 69992, 72684, 76722, 78741, 84798, 89509, 93366, 102296, 104988, 113064, 115083, 122486, 124488, 127197, 145368, 153444, 157482, 166231, 169596, 179018, 183729, 186732, 209976, 230166, 236223, 244972, 254394, 268527, 306888, 314964, 332462, 339192, 345249, 358036, 367458, 373464, 460332, 472446, 489944, 498693, 508788, 537054, 551187, 629928, 664924, 690498, 716072, 734916, 805581, 920664, 944892, 997386, 1017576, 1074108, 1102374, 1163617, 1329848, 1380996, 1469832, 1496079, 1611162, 1653561, 1889784, 1994772, 2148216, 2204748, 2327234, 2416743, 2761992, 2992158, 3222324, 3307122, 3490851, 3989544, 4409496, 4488237, 4654468, 4833486, 5984316, 6444648, 6614244, 6981702, 8976474, 9308936, 9666972, 10472553, 11968632, 13228488, 13963404, 17952948, 19333944, 20945106, 27926808, 31417659, 35905896, 41890212, 62835318, 83780424, 125670636, 251341272]

約数ペア:

[(1, 251341272), (2, 125670636), (3, 83780424), (4, 62835318), (6, 41890212), (7, 35905896), (8, 31417659), (9, 27926808), (12, 20945106), (13, 19333944), (14, 17952948), (18, 13963404), (19, 13228488), (21, 11968632), (24, 10472553), (26, 9666972), (27, 9308936), (28, 8976474), (36, 6981702), (38, 6614244), (39, 6444648), (42, 5984316), (52, 4833486), (54, 4654468), (56, 4488237), (57, 4409496), (63, 3989544), (72, 3490851), (76, 3307122), (78, 3222324), (84, 2992158), (91, 2761992), (104, 2416743), (108, 2327234), (114, 2204748), (117, 2148216), (126, 1994772), (133, 1889784), (152, 1653561), (156, 1611162), (168, 1496079), (171, 1469832), (182, 1380996), (189, 1329848), (216, 1163617), (228, 1102374), (234, 1074108), (247, 1017576), (252, 997386), (266, 944892), (273, 920664), (312, 805581), (342, 734916), (351, 716072), (364, 690498), (378, 664924), (399, 629928), (456, 551187), (468, 537054), (494, 508788), (504, 498693), (513, 489944), (532, 472446), (546, 460332), (673, 373464), (684, 367458), (702, 358036), (728, 345249), (741, 339192), (756, 332462), (798, 314964), (819, 306888), (936, 268527), (988, 254394), (1026, 244972), (1064, 236223), (1092, 230166), (1197, 209976), (1346, 186732), (1368, 183729), (1404, 179018), (1482, 169596), (1512, 166231), (1596, 157482), (1638, 153444), (1729, 145368), (1976, 127197), (2019, 124488), (2052, 122486), (2184, 115083), (2223, 113064), (2394, 104988), (2457, 102296), (2692, 93366), (2808, 89509), (2964, 84798), (3192, 78741), (3276, 76722), (3458, 72684), (3591, 69992), (4038, 62244), (4104, 61243), (4446, 56532), (4711, 53352), (4788, 52494), (4914, 51148), (5187, 48456), (5384, 46683), (5928, 42399), (6057, 41496), (6552, 38361), (6669, 37688), (6916, 36342), (7182, 34996), (8076, 31122), (8749, 28728), (8892, 28266), (9422, 26676), (9576, 26247), (9828, 25574), (10374, 24228), (12114, 20748), (12787, 19656), (13338, 18844), (13832, 18171), (14133, 17784), (14364, 17498), (15561, 16152)]