261694144

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:282

約数の個数: 112

約数和(自身を含む): 582472800

約数和(自身を除く): 320778656

約数列:

[1, 2, 4, 8, 16, 19, 29, 32, 38, 41, 58, 64, 76, 82, 116, 152, 164, 181, 232, 304, 328, 362, 464, 551, 608, 656, 724, 779, 928, 1102, 1189, 1216, 1312, 1448, 1558, 1856, 2204, 2378, 2624, 2896, 3116, 3439, 4408, 4756, 5249, 5792, 6232, 6878, 7421, 8816, 9512, 10498, 11584, 12464, 13756, 14842, 17632, 19024, 20996, 22591, 24928, 27512, 29684, 35264, 38048, 41992, 45182, 49856, 55024, 59368, 76096, 83984, 90364, 99731, 110048, 118736, 140999, 167968, 180728, 199462, 215209, 220096, 237472, 281998, 335936, 361456, 398924, 430418, 474944, 563996, 722912, 797848, 860836, 1127992, 1445824, 1595696, 1721672, 2255984, 3191392, 3443344, 4088971, 4511968, 6382784, 6886688, 8177942, 9023936, 13773376, 16355884, 32711768, 65423536, 130847072, 261694144]

約数ペア:

[(1, 261694144), (2, 130847072), (4, 65423536), (8, 32711768), (16, 16355884), (19, 13773376), (29, 9023936), (32, 8177942), (38, 6886688), (41, 6382784), (58, 4511968), (64, 4088971), (76, 3443344), (82, 3191392), (116, 2255984), (152, 1721672), (164, 1595696), (181, 1445824), (232, 1127992), (304, 860836), (328, 797848), (362, 722912), (464, 563996), (551, 474944), (608, 430418), (656, 398924), (724, 361456), (779, 335936), (928, 281998), (1102, 237472), (1189, 220096), (1216, 215209), (1312, 199462), (1448, 180728), (1558, 167968), (1856, 140999), (2204, 118736), (2378, 110048), (2624, 99731), (2896, 90364), (3116, 83984), (3439, 76096), (4408, 59368), (4756, 55024), (5249, 49856), (5792, 45182), (6232, 41992), (6878, 38048), (7421, 35264), (8816, 29684), (9512, 27512), (10498, 24928), (11584, 22591), (12464, 20996), (13756, 19024), (14842, 17632)]