256616016

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:217

約数の個数: 160

約数和(自身を含む): 723763200

約数和(自身を除く): 467147184

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 37, 48, 59, 62, 74, 79, 93, 111, 118, 124, 148, 158, 177, 186, 222, 236, 237, 248, 296, 316, 354, 372, 444, 472, 474, 496, 592, 632, 708, 744, 888, 944, 948, 1147, 1264, 1416, 1488, 1776, 1829, 1896, 2183, 2294, 2449, 2832, 2923, 3441, 3658, 3792, 4366, 4588, 4661, 4898, 5487, 5846, 6549, 6882, 7316, 7347, 8732, 8769, 9176, 9322, 9796, 10974, 11692, 13098, 13764, 13983, 14632, 14694, 17464, 17538, 18352, 18644, 19592, 21948, 23384, 26196, 27528, 27966, 29264, 29388, 34928, 35076, 37288, 39184, 43896, 46768, 52392, 55056, 55932, 58776, 67673, 70152, 74576, 87792, 90613, 104784, 111864, 117552, 135346, 140304, 144491, 172457, 181226, 203019, 223728, 270692, 271839, 288982, 344914, 362452, 406038, 433473, 517371, 541384, 543678, 577964, 689828, 724904, 812076, 866946, 1034742, 1082768, 1087356, 1155928, 1379656, 1449808, 1624152, 1733892, 2069484, 2174712, 2311856, 2759312, 3248304, 3467784, 4138968, 4349424, 5346167, 6935568, 8277936, 10692334, 16038501, 21384668, 32077002, 42769336, 64154004, 85538672, 128308008, 256616016]

約数ペア:

[(1, 256616016), (2, 128308008), (3, 85538672), (4, 64154004), (6, 42769336), (8, 32077002), (12, 21384668), (16, 16038501), (24, 10692334), (31, 8277936), (37, 6935568), (48, 5346167), (59, 4349424), (62, 4138968), (74, 3467784), (79, 3248304), (93, 2759312), (111, 2311856), (118, 2174712), (124, 2069484), (148, 1733892), (158, 1624152), (177, 1449808), (186, 1379656), (222, 1155928), (236, 1087356), (237, 1082768), (248, 1034742), (296, 866946), (316, 812076), (354, 724904), (372, 689828), (444, 577964), (472, 543678), (474, 541384), (496, 517371), (592, 433473), (632, 406038), (708, 362452), (744, 344914), (888, 288982), (944, 271839), (948, 270692), (1147, 223728), (1264, 203019), (1416, 181226), (1488, 172457), (1776, 144491), (1829, 140304), (1896, 135346), (2183, 117552), (2294, 111864), (2449, 104784), (2832, 90613), (2923, 87792), (3441, 74576), (3658, 70152), (3792, 67673), (4366, 58776), (4588, 55932), (4661, 55056), (4898, 52392), (5487, 46768), (5846, 43896), (6549, 39184), (6882, 37288), (7316, 35076), (7347, 34928), (8732, 29388), (8769, 29264), (9176, 27966), (9322, 27528), (9796, 26196), (10974, 23384), (11692, 21948), (13098, 19592), (13764, 18644), (13983, 18352), (14632, 17538), (14694, 17464)]