261739776

素因数分解:

$2^8\times 3^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:268

約数の個数: 144

約数和(自身を含む): 731980928

約数和(自身を除く): 470241152

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 37, 48, 61, 64, 74, 96, 111, 122, 128, 148, 151, 183, 192, 222, 244, 256, 296, 302, 366, 384, 444, 453, 488, 592, 604, 732, 768, 888, 906, 976, 1184, 1208, 1464, 1776, 1812, 1952, 2257, 2368, 2416, 2928, 3552, 3624, 3904, 4514, 4736, 4832, 5587, 5856, 6771, 7104, 7248, 7808, 9028, 9211, 9472, 9664, 11174, 11712, 13542, 14208, 14496, 15616, 16761, 18056, 18422, 19328, 22348, 23424, 27084, 27633, 28416, 28992, 33522, 36112, 36844, 38656, 44696, 46848, 54168, 55266, 57984, 67044, 72224, 73688, 89392, 108336, 110532, 115968, 134088, 144448, 147376, 178784, 216672, 221064, 268176, 288896, 294752, 340807, 357568, 433344, 442128, 536352, 577792, 589504, 681614, 715136, 866688, 884256, 1022421, 1072704, 1179008, 1363228, 1430272, 1733376, 1768512, 2044842, 2145408, 2358016, 2726456, 3537024, 4089684, 4290816, 5452912, 7074048, 8179368, 10905824, 16358736, 21811648, 32717472, 43623296, 65434944, 87246592, 130869888, 261739776]

約数ペア:

[(1, 261739776), (2, 130869888), (3, 87246592), (4, 65434944), (6, 43623296), (8, 32717472), (12, 21811648), (16, 16358736), (24, 10905824), (32, 8179368), (37, 7074048), (48, 5452912), (61, 4290816), (64, 4089684), (74, 3537024), (96, 2726456), (111, 2358016), (122, 2145408), (128, 2044842), (148, 1768512), (151, 1733376), (183, 1430272), (192, 1363228), (222, 1179008), (244, 1072704), (256, 1022421), (296, 884256), (302, 866688), (366, 715136), (384, 681614), (444, 589504), (453, 577792), (488, 536352), (592, 442128), (604, 433344), (732, 357568), (768, 340807), (888, 294752), (906, 288896), (976, 268176), (1184, 221064), (1208, 216672), (1464, 178784), (1776, 147376), (1812, 144448), (1952, 134088), (2257, 115968), (2368, 110532), (2416, 108336), (2928, 89392), (3552, 73688), (3624, 72224), (3904, 67044), (4514, 57984), (4736, 55266), (4832, 54168), (5587, 46848), (5856, 44696), (6771, 38656), (7104, 36844), (7248, 36112), (7808, 33522), (9028, 28992), (9211, 28416), (9472, 27633), (9664, 27084), (11174, 23424), (11712, 22348), (13542, 19328), (14208, 18422), (14496, 18056), (15616, 16761)]