1640343872

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1087}}^1$

素因数の和:1208

約数の個数: 112

約数和(自身を含む): 3681008640

約数和(自身を除く): 2040664768

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 64, 68, 73, 76, 136, 146, 152, 272, 292, 304, 323, 544, 584, 608, 646, 1087, 1088, 1168, 1216, 1241, 1292, 1387, 2174, 2336, 2482, 2584, 2774, 4348, 4672, 4964, 5168, 5548, 8696, 9928, 10336, 11096, 17392, 18479, 19856, 20653, 20672, 22192, 23579, 34784, 36958, 39712, 41306, 44384, 47158, 69568, 73916, 79351, 79424, 82612, 88768, 94316, 147832, 158702, 165224, 188632, 295664, 317404, 330448, 351101, 377264, 591328, 634808, 660896, 702202, 754528, 1182656, 1269616, 1321792, 1348967, 1404404, 1507669, 1509056, 2539232, 2697934, 2808808, 3015338, 5078464, 5395868, 5617616, 6030676, 10791736, 11235232, 12061352, 21583472, 22470464, 24122704, 25630373, 43166944, 48245408, 51260746, 86333888, 96490816, 102521492, 205042984, 410085968, 820171936, 1640343872]

約数ペア:

[(1, 1640343872), (2, 820171936), (4, 410085968), (8, 205042984), (16, 102521492), (17, 96490816), (19, 86333888), (32, 51260746), (34, 48245408), (38, 43166944), (64, 25630373), (68, 24122704), (73, 22470464), (76, 21583472), (136, 12061352), (146, 11235232), (152, 10791736), (272, 6030676), (292, 5617616), (304, 5395868), (323, 5078464), (544, 3015338), (584, 2808808), (608, 2697934), (646, 2539232), (1087, 1509056), (1088, 1507669), (1168, 1404404), (1216, 1348967), (1241, 1321792), (1292, 1269616), (1387, 1182656), (2174, 754528), (2336, 702202), (2482, 660896), (2584, 634808), (2774, 591328), (4348, 377264), (4672, 351101), (4964, 330448), (5168, 317404), (5548, 295664), (8696, 188632), (9928, 165224), (10336, 158702), (11096, 147832), (17392, 94316), (18479, 88768), (19856, 82612), (20653, 79424), (20672, 79351), (22192, 73916), (23579, 69568), (34784, 47158), (36958, 44384), (39712, 41306)]