261883536

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:277

約数の個数: 160

約数和(自身を含む): 752332800

約数和(自身を除く): 490449264

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 31, 38, 48, 57, 59, 62, 76, 93, 114, 118, 124, 152, 157, 177, 186, 228, 236, 248, 304, 314, 354, 372, 456, 471, 472, 496, 589, 628, 708, 744, 912, 942, 944, 1121, 1178, 1256, 1416, 1488, 1767, 1829, 1884, 2242, 2356, 2512, 2832, 2983, 3363, 3534, 3658, 3768, 4484, 4712, 4867, 5487, 5966, 6726, 7068, 7316, 7536, 8949, 8968, 9263, 9424, 9734, 10974, 11932, 13452, 14136, 14601, 14632, 17898, 17936, 18526, 19468, 21948, 23864, 26904, 27789, 28272, 29202, 29264, 34751, 35796, 37052, 38936, 43896, 47728, 53808, 55578, 58404, 69502, 71592, 74104, 77872, 87792, 92473, 104253, 111156, 116808, 139004, 143184, 148208, 175997, 184946, 208506, 222312, 233616, 277419, 278008, 287153, 351994, 369892, 417012, 444624, 527991, 554838, 556016, 574306, 703988, 739784, 834024, 861459, 1055982, 1109676, 1148612, 1407976, 1479568, 1668048, 1722918, 2111964, 2219352, 2297224, 2815952, 3445836, 4223928, 4438704, 4594448, 5455907, 6891672, 8447856, 10911814, 13783344, 16367721, 21823628, 32735442, 43647256, 65470884, 87294512, 130941768, 261883536]

約数ペア:

[(1, 261883536), (2, 130941768), (3, 87294512), (4, 65470884), (6, 43647256), (8, 32735442), (12, 21823628), (16, 16367721), (19, 13783344), (24, 10911814), (31, 8447856), (38, 6891672), (48, 5455907), (57, 4594448), (59, 4438704), (62, 4223928), (76, 3445836), (93, 2815952), (114, 2297224), (118, 2219352), (124, 2111964), (152, 1722918), (157, 1668048), (177, 1479568), (186, 1407976), (228, 1148612), (236, 1109676), (248, 1055982), (304, 861459), (314, 834024), (354, 739784), (372, 703988), (456, 574306), (471, 556016), (472, 554838), (496, 527991), (589, 444624), (628, 417012), (708, 369892), (744, 351994), (912, 287153), (942, 278008), (944, 277419), (1121, 233616), (1178, 222312), (1256, 208506), (1416, 184946), (1488, 175997), (1767, 148208), (1829, 143184), (1884, 139004), (2242, 116808), (2356, 111156), (2512, 104253), (2832, 92473), (2983, 87792), (3363, 77872), (3534, 74104), (3658, 71592), (3768, 69502), (4484, 58404), (4712, 55578), (4867, 53808), (5487, 47728), (5966, 43896), (6726, 38936), (7068, 37052), (7316, 35796), (7536, 34751), (8949, 29264), (8968, 29202), (9263, 28272), (9424, 27789), (9734, 26904), (10974, 23864), (11932, 21948), (13452, 19468), (14136, 18526), (14601, 17936), (14632, 17898)]