281553552

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1$

素因数の和:342

約数の個数: 240

約数和(自身を含む): 967457920

約数和(自身を除く): 685904368

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 28, 36, 38, 42, 48, 56, 57, 61, 63, 72, 76, 84, 112, 114, 122, 126, 133, 144, 152, 168, 171, 183, 228, 241, 244, 252, 266, 304, 336, 342, 366, 399, 427, 456, 482, 488, 504, 532, 549, 684, 723, 732, 798, 854, 912, 964, 976, 1008, 1064, 1098, 1159, 1197, 1281, 1368, 1446, 1464, 1596, 1687, 1708, 1928, 2128, 2169, 2196, 2318, 2394, 2562, 2736, 2892, 2928, 3192, 3374, 3416, 3477, 3843, 3856, 4338, 4392, 4579, 4636, 4788, 5061, 5124, 5784, 6384, 6748, 6832, 6954, 7686, 8113, 8676, 8784, 9158, 9272, 9576, 10122, 10248, 10431, 11568, 13496, 13737, 13908, 14701, 15183, 15372, 16226, 17352, 18316, 18544, 19152, 20244, 20496, 20862, 24339, 26992, 27474, 27816, 29402, 30366, 30744, 32053, 32452, 34704, 36632, 40488, 41211, 41724, 44103, 48678, 54948, 55632, 58804, 60732, 61488, 64106, 64904, 73017, 73264, 80976, 82422, 83448, 88206, 96159, 97356, 102907, 109896, 117608, 121464, 128212, 129808, 132309, 146034, 164844, 166896, 176412, 192318, 194712, 205814, 219792, 235216, 242928, 256424, 264618, 279319, 288477, 292068, 308721, 329688, 352824, 384636, 389424, 411628, 512848, 529236, 558638, 576954, 584136, 617442, 659376, 705648, 769272, 823256, 837957, 926163, 1058472, 1117276, 1153908, 1168272, 1234884, 1538544, 1646512, 1675914, 1852326, 1955233, 2116944, 2234552, 2307816, 2469768, 2513871, 3351828, 3704652, 3910466, 4469104, 4615632, 4939536, 5027742, 5865699, 6703656, 7409304, 7820932, 10055484, 11731398, 13407312, 14818608, 15641864, 17597097, 20110968, 23462796, 31283728, 35194194, 40221936, 46925592, 70388388, 93851184, 140776776, 281553552]

約数ペア:

[(1, 281553552), (2, 140776776), (3, 93851184), (4, 70388388), (6, 46925592), (7, 40221936), (8, 35194194), (9, 31283728), (12, 23462796), (14, 20110968), (16, 17597097), (18, 15641864), (19, 14818608), (21, 13407312), (24, 11731398), (28, 10055484), (36, 7820932), (38, 7409304), (42, 6703656), (48, 5865699), (56, 5027742), (57, 4939536), (61, 4615632), (63, 4469104), (72, 3910466), (76, 3704652), (84, 3351828), (112, 2513871), (114, 2469768), (122, 2307816), (126, 2234552), (133, 2116944), (144, 1955233), (152, 1852326), (168, 1675914), (171, 1646512), (183, 1538544), (228, 1234884), (241, 1168272), (244, 1153908), (252, 1117276), (266, 1058472), (304, 926163), (336, 837957), (342, 823256), (366, 769272), (399, 705648), (427, 659376), (456, 617442), (482, 584136), (488, 576954), (504, 558638), (532, 529236), (549, 512848), (684, 411628), (723, 389424), (732, 384636), (798, 352824), (854, 329688), (912, 308721), (964, 292068), (976, 288477), (1008, 279319), (1064, 264618), (1098, 256424), (1159, 242928), (1197, 235216), (1281, 219792), (1368, 205814), (1446, 194712), (1464, 192318), (1596, 176412), (1687, 166896), (1708, 164844), (1928, 146034), (2128, 132309), (2169, 129808), (2196, 128212), (2318, 121464), (2394, 117608), (2562, 109896), (2736, 102907), (2892, 97356), (2928, 96159), (3192, 88206), (3374, 83448), (3416, 82422), (3477, 80976), (3843, 73264), (3856, 73017), (4338, 64904), (4392, 64106), (4579, 61488), (4636, 60732), (4788, 58804), (5061, 55632), (5124, 54948), (5784, 48678), (6384, 44103), (6748, 41724), (6832, 41211), (6954, 40488), (7686, 36632), (8113, 34704), (8676, 32452), (8784, 32053), (9158, 30744), (9272, 30366), (9576, 29402), (10122, 27816), (10248, 27474), (10431, 26992), (11568, 24339), (13496, 20862), (13737, 20496), (13908, 20244), (14701, 19152), (15183, 18544), (15372, 18316), (16226, 17352)]