281865456

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1451}}^1$

素因数の和:1555

約数の個数: 120

約数和(自身を含む): 842624640

約数和(自身を除く): 560759184

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 57, 71, 72, 76, 114, 142, 144, 152, 171, 213, 228, 284, 304, 342, 426, 456, 568, 639, 684, 852, 912, 1136, 1278, 1349, 1368, 1451, 1704, 2556, 2698, 2736, 2902, 3408, 4047, 4353, 5112, 5396, 5804, 8094, 8706, 10224, 10792, 11608, 12141, 13059, 16188, 17412, 21584, 23216, 24282, 26118, 27569, 32376, 34824, 48564, 52236, 55138, 64752, 69648, 82707, 97128, 103021, 104472, 110276, 165414, 194256, 206042, 208944, 220552, 248121, 309063, 330828, 412084, 441104, 496242, 618126, 661656, 824168, 927189, 992484, 1236252, 1323312, 1648336, 1854378, 1957399, 1984968, 2472504, 3708756, 3914798, 3969936, 4945008, 5872197, 7417512, 7829596, 11744394, 14835024, 15659192, 17616591, 23488788, 31318384, 35233182, 46977576, 70466364, 93955152, 140932728, 281865456]

約数ペア:

[(1, 281865456), (2, 140932728), (3, 93955152), (4, 70466364), (6, 46977576), (8, 35233182), (9, 31318384), (12, 23488788), (16, 17616591), (18, 15659192), (19, 14835024), (24, 11744394), (36, 7829596), (38, 7417512), (48, 5872197), (57, 4945008), (71, 3969936), (72, 3914798), (76, 3708756), (114, 2472504), (142, 1984968), (144, 1957399), (152, 1854378), (171, 1648336), (213, 1323312), (228, 1236252), (284, 992484), (304, 927189), (342, 824168), (426, 661656), (456, 618126), (568, 496242), (639, 441104), (684, 412084), (852, 330828), (912, 309063), (1136, 248121), (1278, 220552), (1349, 208944), (1368, 206042), (1451, 194256), (1704, 165414), (2556, 110276), (2698, 104472), (2736, 103021), (2902, 97128), (3408, 82707), (4047, 69648), (4353, 64752), (5112, 55138), (5396, 52236), (5804, 48564), (8094, 34824), (8706, 32376), (10224, 27569), (10792, 26118), (11608, 24282), (12141, 23216), (13059, 21584), (16188, 17412)]