256702972464

素因数分解:

$2^4\times 3^2\times {\mathrm{353}}^1\times {\mathrm{431}}^1\times {\mathrm{11717}}^1$

素因数の和:12515

約数の個数: 120

約数和(自身を含む): 722180152512

約数和(自身を除く): 465477180048

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 353, 431, 706, 862, 1059, 1293, 1412, 1724, 2118, 2586, 2824, 3177, 3448, 3879, 4236, 5172, 5648, 6354, 6896, 7758, 8472, 10344, 11717, 12708, 15516, 16944, 20688, 23434, 25416, 31032, 35151, 46868, 50832, 62064, 70302, 93736, 105453, 140604, 152143, 187472, 210906, 281208, 304286, 421812, 456429, 562416, 608572, 843624, 912858, 1217144, 1369287, 1687248, 1825716, 2434288, 2738574, 3651432, 4136101, 5050027, 5477148, 7302864, 8272202, 10100054, 10954296, 12408303, 15150081, 16544404, 20200108, 21908592, 24816606, 30300162, 33088808, 37224909, 40400216, 45450243, 49633212, 60600324, 66177616, 74449818, 80800432, 90900486, 99266424, 121200648, 148899636, 181800972, 198532848, 242401296, 297799272, 363601944, 595598544, 727203888, 1782659531, 3565319062, 5347978593, 7130638124, 10695957186, 14261276248, 16043935779, 21391914372, 28522552496, 32087871558, 42783828744, 64175743116, 85567657488, 128351486232, 256702972464]

約数ペア:

[(1, 256702972464), (2, 128351486232), (3, 85567657488), (4, 64175743116), (6, 42783828744), (8, 32087871558), (9, 28522552496), (12, 21391914372), (16, 16043935779), (18, 14261276248), (24, 10695957186), (36, 7130638124), (48, 5347978593), (72, 3565319062), (144, 1782659531), (353, 727203888), (431, 595598544), (706, 363601944), (862, 297799272), (1059, 242401296), (1293, 198532848), (1412, 181800972), (1724, 148899636), (2118, 121200648), (2586, 99266424), (2824, 90900486), (3177, 80800432), (3448, 74449818), (3879, 66177616), (4236, 60600324), (5172, 49633212), (5648, 45450243), (6354, 40400216), (6896, 37224909), (7758, 33088808), (8472, 30300162), (10344, 24816606), (11717, 21908592), (12708, 20200108), (15516, 16544404), (16944, 15150081), (20688, 12408303), (23434, 10954296), (25416, 10100054), (31032, 8272202), (35151, 7302864), (46868, 5477148), (50832, 5050027), (62064, 4136101), (70302, 3651432), (93736, 2738574), (105453, 2434288), (140604, 1825716), (152143, 1687248), (187472, 1369287), (210906, 1217144), (281208, 912858), (304286, 843624), (421812, 608572), (456429, 562416)]