247605720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{829}}^1$

素因数の和:993

約数の個数: 128

約数和(自身を含む): 788832000

約数和(自身を除く): 541226280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 131, 152, 190, 228, 262, 285, 380, 393, 456, 524, 570, 655, 760, 786, 829, 1048, 1140, 1310, 1572, 1658, 1965, 2280, 2487, 2489, 2620, 3144, 3316, 3930, 4145, 4974, 4978, 5240, 6632, 7467, 7860, 8290, 9948, 9956, 12435, 12445, 14934, 15720, 15751, 16580, 19896, 19912, 24870, 24890, 29868, 31502, 33160, 37335, 47253, 49740, 49780, 59736, 63004, 74670, 78755, 94506, 99480, 99560, 108599, 126008, 149340, 157510, 189012, 217198, 236265, 298680, 315020, 325797, 378024, 434396, 472530, 542995, 630040, 651594, 868792, 945060, 1085990, 1303188, 1628985, 1890120, 2063381, 2171980, 2606376, 3257970, 4126762, 4343960, 6190143, 6515940, 8253524, 10316905, 12380286, 13031880, 16507048, 20633810, 24760572, 30950715, 41267620, 49521144, 61901430, 82535240, 123802860, 247605720]

約数ペア:

[(1, 247605720), (2, 123802860), (3, 82535240), (4, 61901430), (5, 49521144), (6, 41267620), (8, 30950715), (10, 24760572), (12, 20633810), (15, 16507048), (19, 13031880), (20, 12380286), (24, 10316905), (30, 8253524), (38, 6515940), (40, 6190143), (57, 4343960), (60, 4126762), (76, 3257970), (95, 2606376), (114, 2171980), (120, 2063381), (131, 1890120), (152, 1628985), (190, 1303188), (228, 1085990), (262, 945060), (285, 868792), (380, 651594), (393, 630040), (456, 542995), (524, 472530), (570, 434396), (655, 378024), (760, 325797), (786, 315020), (829, 298680), (1048, 236265), (1140, 217198), (1310, 189012), (1572, 157510), (1658, 149340), (1965, 126008), (2280, 108599), (2487, 99560), (2489, 99480), (2620, 94506), (3144, 78755), (3316, 74670), (3930, 63004), (4145, 59736), (4974, 49780), (4978, 49740), (5240, 47253), (6632, 37335), (7467, 33160), (7860, 31502), (8290, 29868), (9948, 24890), (9956, 24870), (12435, 19912), (12445, 19896), (14934, 16580), (15720, 15751)]