256760712

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1499}}^1$

素因数の和:1588

約数の個数: 128

約数和(自身を含む): 781200000

約数和(自身を除く): 524439288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 61, 72, 78, 104, 108, 117, 122, 156, 183, 216, 234, 244, 312, 351, 366, 468, 488, 549, 702, 732, 793, 936, 1098, 1404, 1464, 1499, 1586, 1647, 2196, 2379, 2808, 2998, 3172, 3294, 4392, 4497, 4758, 5996, 6344, 6588, 7137, 8994, 9516, 11992, 13176, 13491, 14274, 17988, 19032, 19487, 21411, 26982, 28548, 35976, 38974, 40473, 42822, 53964, 57096, 58461, 77948, 80946, 85644, 91439, 107928, 116922, 155896, 161892, 171288, 175383, 182878, 233844, 274317, 323784, 350766, 365756, 467688, 526149, 548634, 701532, 731512, 822951, 1052298, 1097268, 1188707, 1403064, 1645902, 2104596, 2194536, 2377414, 2468853, 3291804, 3566121, 4209192, 4754828, 4937706, 6583608, 7132242, 9509656, 9875412, 10698363, 14264484, 19750824, 21396726, 28528968, 32095089, 42793452, 64190178, 85586904, 128380356, 256760712]

約数ペア:

[(1, 256760712), (2, 128380356), (3, 85586904), (4, 64190178), (6, 42793452), (8, 32095089), (9, 28528968), (12, 21396726), (13, 19750824), (18, 14264484), (24, 10698363), (26, 9875412), (27, 9509656), (36, 7132242), (39, 6583608), (52, 4937706), (54, 4754828), (61, 4209192), (72, 3566121), (78, 3291804), (104, 2468853), (108, 2377414), (117, 2194536), (122, 2104596), (156, 1645902), (183, 1403064), (216, 1188707), (234, 1097268), (244, 1052298), (312, 822951), (351, 731512), (366, 701532), (468, 548634), (488, 526149), (549, 467688), (702, 365756), (732, 350766), (793, 323784), (936, 274317), (1098, 233844), (1404, 182878), (1464, 175383), (1499, 171288), (1586, 161892), (1647, 155896), (2196, 116922), (2379, 107928), (2808, 91439), (2998, 85644), (3172, 80946), (3294, 77948), (4392, 58461), (4497, 57096), (4758, 53964), (5996, 42822), (6344, 40473), (6588, 38974), (7137, 35976), (8994, 28548), (9516, 26982), (11992, 21411), (13176, 19487), (13491, 19032), (14274, 17988)]