256392288

素因数分解:

$2^5\times 3^2\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1$

素因数の和:345

約数の個数: 144

約数和(自身を含む): 754790400

約数和(自身を除く): 498398112

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 59, 72, 79, 96, 118, 144, 158, 177, 191, 236, 237, 288, 316, 354, 382, 472, 474, 531, 573, 632, 708, 711, 764, 944, 948, 1062, 1146, 1264, 1416, 1422, 1528, 1719, 1888, 1896, 2124, 2292, 2528, 2832, 2844, 3056, 3438, 3792, 4248, 4584, 4661, 5664, 5688, 6112, 6876, 7584, 8496, 9168, 9322, 11269, 11376, 13752, 13983, 15089, 16992, 18336, 18644, 22538, 22752, 27504, 27966, 30178, 33807, 37288, 41949, 45076, 45267, 55008, 55932, 60356, 67614, 74576, 83898, 90152, 90534, 101421, 111864, 120712, 135228, 135801, 149152, 167796, 180304, 181068, 202842, 223728, 241424, 270456, 271602, 335592, 360608, 362136, 405684, 447456, 482848, 540912, 543204, 671184, 724272, 811368, 890251, 1081824, 1086408, 1342368, 1448544, 1622736, 1780502, 2172816, 2670753, 3245472, 3561004, 4345632, 5341506, 7122008, 8012259, 10683012, 14244016, 16024518, 21366024, 28488032, 32049036, 42732048, 64098072, 85464096, 128196144, 256392288]

約数ペア:

[(1, 256392288), (2, 128196144), (3, 85464096), (4, 64098072), (6, 42732048), (8, 32049036), (9, 28488032), (12, 21366024), (16, 16024518), (18, 14244016), (24, 10683012), (32, 8012259), (36, 7122008), (48, 5341506), (59, 4345632), (72, 3561004), (79, 3245472), (96, 2670753), (118, 2172816), (144, 1780502), (158, 1622736), (177, 1448544), (191, 1342368), (236, 1086408), (237, 1081824), (288, 890251), (316, 811368), (354, 724272), (382, 671184), (472, 543204), (474, 540912), (531, 482848), (573, 447456), (632, 405684), (708, 362136), (711, 360608), (764, 335592), (944, 271602), (948, 270456), (1062, 241424), (1146, 223728), (1264, 202842), (1416, 181068), (1422, 180304), (1528, 167796), (1719, 149152), (1888, 135801), (1896, 135228), (2124, 120712), (2292, 111864), (2528, 101421), (2832, 90534), (2844, 90152), (3056, 83898), (3438, 74576), (3792, 67614), (4248, 60356), (4584, 55932), (4661, 55008), (5664, 45267), (5688, 45076), (6112, 41949), (6876, 37288), (7584, 33807), (8496, 30178), (9168, 27966), (9322, 27504), (11269, 22752), (11376, 22538), (13752, 18644), (13983, 18336), (15089, 16992)]