1560915968

素因数分解:

$2^{12}\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:721

約数の個数: 104

約数和(自身を含む): 3396971520

約数和(自身を除く): 1836055552

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 64, 76, 124, 128, 152, 248, 256, 304, 496, 512, 589, 608, 647, 992, 1024, 1178, 1216, 1294, 1984, 2048, 2356, 2432, 2588, 3968, 4096, 4712, 4864, 5176, 7936, 9424, 9728, 10352, 12293, 15872, 18848, 19456, 20057, 20704, 24586, 31744, 37696, 38912, 40114, 41408, 49172, 63488, 75392, 77824, 80228, 82816, 98344, 126976, 150784, 160456, 165632, 196688, 301568, 320912, 331264, 381083, 393376, 603136, 641824, 662528, 762166, 786752, 1206272, 1283648, 1325056, 1524332, 1573504, 2412544, 2567296, 2650112, 3048664, 3147008, 5134592, 6097328, 6294016, 10269184, 12194656, 12588032, 20538368, 24389312, 25176064, 41076736, 48778624, 50352128, 82153472, 97557248, 195114496, 390228992, 780457984, 1560915968]

約数ペア:

[(1, 1560915968), (2, 780457984), (4, 390228992), (8, 195114496), (16, 97557248), (19, 82153472), (31, 50352128), (32, 48778624), (38, 41076736), (62, 25176064), (64, 24389312), (76, 20538368), (124, 12588032), (128, 12194656), (152, 10269184), (248, 6294016), (256, 6097328), (304, 5134592), (496, 3147008), (512, 3048664), (589, 2650112), (608, 2567296), (647, 2412544), (992, 1573504), (1024, 1524332), (1178, 1325056), (1216, 1283648), (1294, 1206272), (1984, 786752), (2048, 762166), (2356, 662528), (2432, 641824), (2588, 603136), (3968, 393376), (4096, 381083), (4712, 331264), (4864, 320912), (5176, 301568), (7936, 196688), (9424, 165632), (9728, 160456), (10352, 150784), (12293, 126976), (15872, 98344), (18848, 82816), (19456, 80228), (20057, 77824), (20704, 75392), (24586, 63488), (31744, 49172), (37696, 41408), (38912, 40114)]