131020960

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:219

約数の個数: 192

約数和(自身を含む): 383201280

約数和(自身を除く): 252180320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 47, 56, 70, 76, 80, 94, 95, 112, 131, 133, 140, 152, 160, 188, 190, 224, 235, 262, 266, 280, 304, 329, 376, 380, 470, 524, 532, 560, 608, 655, 658, 665, 752, 760, 893, 917, 940, 1048, 1064, 1120, 1310, 1316, 1330, 1504, 1520, 1645, 1786, 1834, 1880, 2096, 2128, 2489, 2620, 2632, 2660, 3040, 3290, 3572, 3668, 3760, 4192, 4256, 4465, 4585, 4978, 5240, 5264, 5320, 6157, 6251, 6580, 7144, 7336, 7520, 8930, 9170, 9956, 10480, 10528, 10640, 12314, 12445, 12502, 13160, 14288, 14672, 17423, 17860, 18340, 19912, 20960, 21280, 24628, 24890, 25004, 26320, 28576, 29344, 30785, 31255, 34846, 35720, 36680, 39824, 43099, 49256, 49780, 50008, 52640, 61570, 62510, 69692, 71440, 73360, 79648, 86198, 87115, 98512, 99560, 100016, 116983, 123140, 125020, 139384, 142880, 146720, 172396, 174230, 197024, 199120, 200032, 215495, 233966, 246280, 250040, 278768, 344792, 348460, 398240, 430990, 467932, 492560, 500080, 557536, 584915, 689584, 696920, 818881, 861980, 935864, 985120, 1000160, 1169830, 1379168, 1393840, 1637762, 1723960, 1871728, 2339660, 2787680, 3275524, 3447920, 3743456, 4094405, 4679320, 6551048, 6895840, 8188810, 9358640, 13102096, 16377620, 18717280, 26204192, 32755240, 65510480, 131020960]

約数ペア:

[(1, 131020960), (2, 65510480), (4, 32755240), (5, 26204192), (7, 18717280), (8, 16377620), (10, 13102096), (14, 9358640), (16, 8188810), (19, 6895840), (20, 6551048), (28, 4679320), (32, 4094405), (35, 3743456), (38, 3447920), (40, 3275524), (47, 2787680), (56, 2339660), (70, 1871728), (76, 1723960), (80, 1637762), (94, 1393840), (95, 1379168), (112, 1169830), (131, 1000160), (133, 985120), (140, 935864), (152, 861980), (160, 818881), (188, 696920), (190, 689584), (224, 584915), (235, 557536), (262, 500080), (266, 492560), (280, 467932), (304, 430990), (329, 398240), (376, 348460), (380, 344792), (470, 278768), (524, 250040), (532, 246280), (560, 233966), (608, 215495), (655, 200032), (658, 199120), (665, 197024), (752, 174230), (760, 172396), (893, 146720), (917, 142880), (940, 139384), (1048, 125020), (1064, 123140), (1120, 116983), (1310, 100016), (1316, 99560), (1330, 98512), (1504, 87115), (1520, 86198), (1645, 79648), (1786, 73360), (1834, 71440), (1880, 69692), (2096, 62510), (2128, 61570), (2489, 52640), (2620, 50008), (2632, 49780), (2660, 49256), (3040, 43099), (3290, 39824), (3572, 36680), (3668, 35720), (3760, 34846), (4192, 31255), (4256, 30785), (4465, 29344), (4585, 28576), (4978, 26320), (5240, 25004), (5264, 24890), (5320, 24628), (6157, 21280), (6251, 20960), (6580, 19912), (7144, 18340), (7336, 17860), (7520, 17423), (8930, 14672), (9170, 14288), (9956, 13160), (10480, 12502), (10528, 12445), (10640, 12314)]