1671848920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{263}}^1\times {\mathrm{311}}^1$

素因数の和:665

約数の個数: 128

約数和(自身を含む): 4388567040

約数和(自身を除く): 2716718120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 263, 280, 292, 311, 365, 511, 526, 584, 622, 730, 1022, 1052, 1244, 1315, 1460, 1555, 1841, 2044, 2104, 2177, 2488, 2555, 2630, 2920, 3110, 3682, 4088, 4354, 5110, 5260, 6220, 7364, 8708, 9205, 10220, 10520, 10885, 12440, 14728, 17416, 18410, 19199, 20440, 21770, 22703, 36820, 38398, 43540, 45406, 73640, 76796, 81793, 87080, 90812, 95995, 113515, 134393, 153592, 158921, 163586, 181624, 191990, 227030, 268786, 317842, 327172, 383980, 408965, 454060, 537572, 572551, 635684, 654344, 671965, 767960, 794605, 817930, 908120, 1075144, 1145102, 1271368, 1343930, 1589210, 1635860, 2290204, 2687860, 2862755, 3178420, 3271720, 4580408, 5375720, 5725510, 5970889, 6356840, 11451020, 11941778, 22902040, 23883556, 29854445, 41796223, 47767112, 59708890, 83592446, 119417780, 167184892, 208981115, 238835560, 334369784, 417962230, 835924460, 1671848920]

約数ペア:

[(1, 1671848920), (2, 835924460), (4, 417962230), (5, 334369784), (7, 238835560), (8, 208981115), (10, 167184892), (14, 119417780), (20, 83592446), (28, 59708890), (35, 47767112), (40, 41796223), (56, 29854445), (70, 23883556), (73, 22902040), (140, 11941778), (146, 11451020), (263, 6356840), (280, 5970889), (292, 5725510), (311, 5375720), (365, 4580408), (511, 3271720), (526, 3178420), (584, 2862755), (622, 2687860), (730, 2290204), (1022, 1635860), (1052, 1589210), (1244, 1343930), (1315, 1271368), (1460, 1145102), (1555, 1075144), (1841, 908120), (2044, 817930), (2104, 794605), (2177, 767960), (2488, 671965), (2555, 654344), (2630, 635684), (2920, 572551), (3110, 537572), (3682, 454060), (4088, 408965), (4354, 383980), (5110, 327172), (5260, 317842), (6220, 268786), (7364, 227030), (8708, 191990), (9205, 181624), (10220, 163586), (10520, 158921), (10885, 153592), (12440, 134393), (14728, 113515), (17416, 95995), (18410, 90812), (19199, 87080), (20440, 81793), (21770, 76796), (22703, 73640), (36820, 45406), (38398, 43540)]