123641560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{263}}^1$

素因数の和:377

約数の個数: 128

約数和(自身を含む): 337582080

約数和(自身を除く): 213940520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 73, 92, 115, 140, 146, 161, 184, 230, 263, 280, 292, 322, 365, 460, 511, 526, 584, 644, 730, 805, 920, 1022, 1052, 1288, 1315, 1460, 1610, 1679, 1841, 2044, 2104, 2555, 2630, 2920, 3220, 3358, 3682, 4088, 5110, 5260, 6049, 6440, 6716, 7364, 8395, 9205, 10220, 10520, 11753, 12098, 13432, 14728, 16790, 18410, 19199, 20440, 23506, 24196, 30245, 33580, 36820, 38398, 42343, 47012, 48392, 58765, 60490, 67160, 73640, 76796, 84686, 94024, 95995, 117530, 120980, 134393, 153592, 169372, 191990, 211715, 235060, 241960, 268786, 338744, 383980, 423430, 441577, 470120, 537572, 671965, 767960, 846860, 883154, 1075144, 1343930, 1693720, 1766308, 2207885, 2687860, 3091039, 3532616, 4415770, 5375720, 6182078, 8831540, 12364156, 15455195, 17663080, 24728312, 30910390, 61820780, 123641560]

約数ペア:

[(1, 123641560), (2, 61820780), (4, 30910390), (5, 24728312), (7, 17663080), (8, 15455195), (10, 12364156), (14, 8831540), (20, 6182078), (23, 5375720), (28, 4415770), (35, 3532616), (40, 3091039), (46, 2687860), (56, 2207885), (70, 1766308), (73, 1693720), (92, 1343930), (115, 1075144), (140, 883154), (146, 846860), (161, 767960), (184, 671965), (230, 537572), (263, 470120), (280, 441577), (292, 423430), (322, 383980), (365, 338744), (460, 268786), (511, 241960), (526, 235060), (584, 211715), (644, 191990), (730, 169372), (805, 153592), (920, 134393), (1022, 120980), (1052, 117530), (1288, 95995), (1315, 94024), (1460, 84686), (1610, 76796), (1679, 73640), (1841, 67160), (2044, 60490), (2104, 58765), (2555, 48392), (2630, 47012), (2920, 42343), (3220, 38398), (3358, 36820), (3682, 33580), (4088, 30245), (5110, 24196), (5260, 23506), (6049, 20440), (6440, 19199), (6716, 18410), (7364, 16790), (8395, 14728), (9205, 13432), (10220, 12098), (10520, 11753)]