7943880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{193}}^1$

素因数の和:228

約数の個数: 128

約数和(自身を含む): 27936000

約数和(自身を除く): 19992120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 193, 196, 210, 245, 280, 294, 343, 386, 392, 420, 490, 579, 588, 686, 735, 772, 840, 965, 980, 1029, 1158, 1176, 1351, 1372, 1470, 1544, 1715, 1930, 1960, 2058, 2316, 2702, 2744, 2895, 2940, 3430, 3860, 4053, 4116, 4632, 5145, 5404, 5790, 5880, 6755, 6860, 7720, 8106, 8232, 9457, 10290, 10808, 11580, 13510, 13720, 16212, 18914, 20265, 20580, 23160, 27020, 28371, 32424, 37828, 40530, 41160, 47285, 54040, 56742, 66199, 75656, 81060, 94570, 113484, 132398, 141855, 162120, 189140, 198597, 226968, 264796, 283710, 330995, 378280, 397194, 529592, 567420, 661990, 794388, 992985, 1134840, 1323980, 1588776, 1985970, 2647960, 3971940, 7943880]

約数ペア:

[(1, 7943880), (2, 3971940), (3, 2647960), (4, 1985970), (5, 1588776), (6, 1323980), (7, 1134840), (8, 992985), (10, 794388), (12, 661990), (14, 567420), (15, 529592), (20, 397194), (21, 378280), (24, 330995), (28, 283710), (30, 264796), (35, 226968), (40, 198597), (42, 189140), (49, 162120), (56, 141855), (60, 132398), (70, 113484), (84, 94570), (98, 81060), (105, 75656), (120, 66199), (140, 56742), (147, 54040), (168, 47285), (193, 41160), (196, 40530), (210, 37828), (245, 32424), (280, 28371), (294, 27020), (343, 23160), (386, 20580), (392, 20265), (420, 18914), (490, 16212), (579, 13720), (588, 13510), (686, 11580), (735, 10808), (772, 10290), (840, 9457), (965, 8232), (980, 8106), (1029, 7720), (1158, 6860), (1176, 6755), (1351, 5880), (1372, 5790), (1470, 5404), (1544, 5145), (1715, 4632), (1930, 4116), (1960, 4053), (2058, 3860), (2316, 3430), (2702, 2940), (2744, 2895)]