156631720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:267

約数の個数: 128

約数和(自身を含む): 417715200

約数和(自身を除く): 261083480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 79, 97, 140, 146, 158, 194, 280, 292, 316, 365, 388, 395, 485, 511, 553, 584, 632, 679, 730, 776, 790, 970, 1022, 1106, 1358, 1460, 1580, 1940, 2044, 2212, 2555, 2716, 2765, 2920, 3160, 3395, 3880, 4088, 4424, 5110, 5432, 5530, 5767, 6790, 7081, 7663, 10220, 11060, 11534, 13580, 14162, 15326, 20440, 22120, 23068, 27160, 28324, 28835, 30652, 35405, 38315, 40369, 46136, 49567, 53641, 56648, 57670, 61304, 70810, 76630, 80738, 99134, 107282, 115340, 141620, 153260, 161476, 198268, 201845, 214564, 230680, 247835, 268205, 283240, 306520, 322952, 396536, 403690, 429128, 495670, 536410, 559399, 807380, 991340, 1072820, 1118798, 1614760, 1982680, 2145640, 2237596, 2796995, 3915793, 4475192, 5593990, 7831586, 11187980, 15663172, 19578965, 22375960, 31326344, 39157930, 78315860, 156631720]

約数ペア:

[(1, 156631720), (2, 78315860), (4, 39157930), (5, 31326344), (7, 22375960), (8, 19578965), (10, 15663172), (14, 11187980), (20, 7831586), (28, 5593990), (35, 4475192), (40, 3915793), (56, 2796995), (70, 2237596), (73, 2145640), (79, 1982680), (97, 1614760), (140, 1118798), (146, 1072820), (158, 991340), (194, 807380), (280, 559399), (292, 536410), (316, 495670), (365, 429128), (388, 403690), (395, 396536), (485, 322952), (511, 306520), (553, 283240), (584, 268205), (632, 247835), (679, 230680), (730, 214564), (776, 201845), (790, 198268), (970, 161476), (1022, 153260), (1106, 141620), (1358, 115340), (1460, 107282), (1580, 99134), (1940, 80738), (2044, 76630), (2212, 70810), (2555, 61304), (2716, 57670), (2765, 56648), (2920, 53641), (3160, 49567), (3395, 46136), (3880, 40369), (4088, 38315), (4424, 35405), (5110, 30652), (5432, 28835), (5530, 28324), (5767, 27160), (6790, 23068), (7081, 22120), (7663, 20440), (10220, 15326), (11060, 14162), (11534, 13580)]