261969264

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{181}}^1$

素因数の和:260

約数の個数: 180

約数和(自身を含む): 811206760

約数和(自身を除く): 549237496

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 23, 24, 36, 38, 46, 48, 57, 69, 72, 76, 92, 114, 138, 144, 152, 171, 181, 184, 207, 228, 276, 304, 342, 362, 368, 414, 437, 456, 529, 543, 552, 684, 724, 828, 874, 912, 1058, 1086, 1104, 1311, 1368, 1448, 1587, 1629, 1656, 1748, 2116, 2172, 2622, 2736, 2896, 3174, 3258, 3312, 3439, 3496, 3933, 4163, 4232, 4344, 4761, 5244, 6348, 6516, 6878, 6992, 7866, 8326, 8464, 8688, 9522, 10051, 10317, 10488, 12489, 12696, 13032, 13756, 15732, 16652, 19044, 20102, 20634, 20976, 24978, 25392, 26064, 27512, 30153, 30951, 31464, 33304, 37467, 38088, 40204, 41268, 49956, 55024, 60306, 61902, 62928, 66608, 74934, 76176, 79097, 80408, 82536, 90459, 95749, 99912, 120612, 123804, 149868, 158194, 160816, 165072, 180918, 191498, 199824, 237291, 241224, 247608, 287247, 299736, 316388, 361836, 382996, 474582, 482448, 495216, 574494, 599472, 632776, 711873, 723672, 765992, 861741, 949164, 1148988, 1265552, 1423746, 1447344, 1531984, 1723482, 1819231, 1898328, 2297976, 2847492, 3446964, 3638462, 3796656, 4595952, 5457693, 5694984, 6893928, 7276924, 10915386, 11389968, 13787856, 14553848, 16373079, 21830772, 29107696, 32746158, 43661544, 65492316, 87323088, 130984632, 261969264]

約数ペア:

[(1, 261969264), (2, 130984632), (3, 87323088), (4, 65492316), (6, 43661544), (8, 32746158), (9, 29107696), (12, 21830772), (16, 16373079), (18, 14553848), (19, 13787856), (23, 11389968), (24, 10915386), (36, 7276924), (38, 6893928), (46, 5694984), (48, 5457693), (57, 4595952), (69, 3796656), (72, 3638462), (76, 3446964), (92, 2847492), (114, 2297976), (138, 1898328), (144, 1819231), (152, 1723482), (171, 1531984), (181, 1447344), (184, 1423746), (207, 1265552), (228, 1148988), (276, 949164), (304, 861741), (342, 765992), (362, 723672), (368, 711873), (414, 632776), (437, 599472), (456, 574494), (529, 495216), (543, 482448), (552, 474582), (684, 382996), (724, 361836), (828, 316388), (874, 299736), (912, 287247), (1058, 247608), (1086, 241224), (1104, 237291), (1311, 199824), (1368, 191498), (1448, 180918), (1587, 165072), (1629, 160816), (1656, 158194), (1748, 149868), (2116, 123804), (2172, 120612), (2622, 99912), (2736, 95749), (2896, 90459), (3174, 82536), (3258, 80408), (3312, 79097), (3439, 76176), (3496, 74934), (3933, 66608), (4163, 62928), (4232, 61902), (4344, 60306), (4761, 55024), (5244, 49956), (6348, 41268), (6516, 40204), (6878, 38088), (6992, 37467), (7866, 33304), (8326, 31464), (8464, 30951), (8688, 30153), (9522, 27512), (10051, 26064), (10317, 25392), (10488, 24978), (12489, 20976), (12696, 20634), (13032, 20102), (13756, 19044), (15732, 16652)]