42960120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{257}}^1$

素因数の和:477

約数の個数: 128

約数和(自身を含む): 148608000

約数和(自身を除く): 105647880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 199, 210, 257, 280, 398, 420, 514, 597, 771, 796, 840, 995, 1028, 1194, 1285, 1393, 1542, 1592, 1799, 1990, 2056, 2388, 2570, 2786, 2985, 3084, 3598, 3855, 3980, 4179, 4776, 5140, 5397, 5572, 5970, 6168, 6965, 7196, 7710, 7960, 8358, 8995, 10280, 10794, 11144, 11940, 13930, 14392, 15420, 16716, 17990, 20895, 21588, 23880, 26985, 27860, 30840, 33432, 35980, 41790, 43176, 51143, 53970, 55720, 71960, 83580, 102286, 107940, 153429, 167160, 204572, 215880, 255715, 306858, 358001, 409144, 511430, 613716, 716002, 767145, 1022860, 1074003, 1227432, 1432004, 1534290, 1790005, 2045720, 2148006, 2864008, 3068580, 3580010, 4296012, 5370015, 6137160, 7160020, 8592024, 10740030, 14320040, 21480060, 42960120]

約数ペア:

[(1, 42960120), (2, 21480060), (3, 14320040), (4, 10740030), (5, 8592024), (6, 7160020), (7, 6137160), (8, 5370015), (10, 4296012), (12, 3580010), (14, 3068580), (15, 2864008), (20, 2148006), (21, 2045720), (24, 1790005), (28, 1534290), (30, 1432004), (35, 1227432), (40, 1074003), (42, 1022860), (56, 767145), (60, 716002), (70, 613716), (84, 511430), (105, 409144), (120, 358001), (140, 306858), (168, 255715), (199, 215880), (210, 204572), (257, 167160), (280, 153429), (398, 107940), (420, 102286), (514, 83580), (597, 71960), (771, 55720), (796, 53970), (840, 51143), (995, 43176), (1028, 41790), (1194, 35980), (1285, 33432), (1393, 30840), (1542, 27860), (1592, 26985), (1799, 23880), (1990, 21588), (2056, 20895), (2388, 17990), (2570, 16716), (2786, 15420), (2985, 14392), (3084, 13930), (3598, 11940), (3855, 11144), (3980, 10794), (4179, 10280), (4776, 8995), (5140, 8358), (5397, 7960), (5572, 7710), (5970, 7196), (6168, 6965)]