131438580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:239

約数の個数: 288

約数和(自身を含む): 487992960

約数和(自身を除く): 356554380

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 19, 20, 21, 26, 28, 30, 35, 38, 39, 42, 49, 52, 57, 60, 65, 70, 76, 78, 84, 91, 95, 98, 105, 114, 130, 133, 140, 147, 156, 181, 182, 190, 195, 196, 210, 228, 245, 247, 260, 266, 273, 285, 294, 362, 364, 380, 390, 399, 420, 455, 490, 494, 532, 543, 546, 570, 588, 637, 665, 724, 735, 741, 780, 798, 905, 910, 931, 980, 988, 1086, 1092, 1140, 1235, 1267, 1274, 1330, 1365, 1470, 1482, 1596, 1729, 1810, 1820, 1862, 1911, 1995, 2172, 2353, 2470, 2534, 2548, 2660, 2715, 2730, 2793, 2940, 2964, 3185, 3439, 3458, 3620, 3705, 3724, 3801, 3822, 3990, 4655, 4706, 4940, 5068, 5187, 5430, 5460, 5586, 6335, 6370, 6878, 6916, 7059, 7410, 7602, 7644, 7980, 8645, 8869, 9310, 9412, 9555, 10317, 10374, 10860, 11172, 11765, 12103, 12670, 12740, 13756, 13965, 14118, 14820, 15204, 16471, 17195, 17290, 17738, 18620, 19005, 19110, 20634, 20748, 23530, 24073, 24206, 25340, 25935, 26607, 27930, 28236, 32942, 34390, 34580, 35295, 35476, 36309, 38010, 38220, 41268, 44345, 44707, 47060, 48146, 48412, 49413, 51585, 51870, 53214, 55860, 60515, 65884, 68780, 70590, 72219, 72618, 76020, 82355, 88690, 89414, 96292, 98826, 103170, 103740, 106428, 115297, 120365, 121030, 133035, 134121, 141180, 144438, 145236, 164710, 168511, 177380, 178828, 181545, 197652, 206340, 223535, 230594, 240730, 242060, 247065, 266070, 268242, 288876, 312949, 329420, 337022, 345891, 361095, 363090, 447070, 461188, 481460, 494130, 505533, 532140, 536484, 576485, 625898, 670605, 674044, 691782, 722190, 726180, 842555, 894140, 938847, 988260, 1011066, 1152970, 1251796, 1341210, 1383564, 1444380, 1564745, 1685110, 1729455, 1877694, 2022132, 2190643, 2305940, 2527665, 2682420, 3129490, 3370220, 3458910, 3755388, 4381286, 4694235, 5055330, 6258980, 6571929, 6917820, 8762572, 9388470, 10110660, 10953215, 13143858, 18776940, 21906430, 26287716, 32859645, 43812860, 65719290, 131438580]

約数ペア:

[(1, 131438580), (2, 65719290), (3, 43812860), (4, 32859645), (5, 26287716), (6, 21906430), (7, 18776940), (10, 13143858), (12, 10953215), (13, 10110660), (14, 9388470), (15, 8762572), (19, 6917820), (20, 6571929), (21, 6258980), (26, 5055330), (28, 4694235), (30, 4381286), (35, 3755388), (38, 3458910), (39, 3370220), (42, 3129490), (49, 2682420), (52, 2527665), (57, 2305940), (60, 2190643), (65, 2022132), (70, 1877694), (76, 1729455), (78, 1685110), (84, 1564745), (91, 1444380), (95, 1383564), (98, 1341210), (105, 1251796), (114, 1152970), (130, 1011066), (133, 988260), (140, 938847), (147, 894140), (156, 842555), (181, 726180), (182, 722190), (190, 691782), (195, 674044), (196, 670605), (210, 625898), (228, 576485), (245, 536484), (247, 532140), (260, 505533), (266, 494130), (273, 481460), (285, 461188), (294, 447070), (362, 363090), (364, 361095), (380, 345891), (390, 337022), (399, 329420), (420, 312949), (455, 288876), (490, 268242), (494, 266070), (532, 247065), (543, 242060), (546, 240730), (570, 230594), (588, 223535), (637, 206340), (665, 197652), (724, 181545), (735, 178828), (741, 177380), (780, 168511), (798, 164710), (905, 145236), (910, 144438), (931, 141180), (980, 134121), (988, 133035), (1086, 121030), (1092, 120365), (1140, 115297), (1235, 106428), (1267, 103740), (1274, 103170), (1330, 98826), (1365, 96292), (1470, 89414), (1482, 88690), (1596, 82355), (1729, 76020), (1810, 72618), (1820, 72219), (1862, 70590), (1911, 68780), (1995, 65884), (2172, 60515), (2353, 55860), (2470, 53214), (2534, 51870), (2548, 51585), (2660, 49413), (2715, 48412), (2730, 48146), (2793, 47060), (2940, 44707), (2964, 44345), (3185, 41268), (3439, 38220), (3458, 38010), (3620, 36309), (3705, 35476), (3724, 35295), (3801, 34580), (3822, 34390), (3990, 32942), (4655, 28236), (4706, 27930), (4940, 26607), (5068, 25935), (5187, 25340), (5430, 24206), (5460, 24073), (5586, 23530), (6335, 20748), (6370, 20634), (6878, 19110), (6916, 19005), (7059, 18620), (7410, 17738), (7602, 17290), (7644, 17195), (7980, 16471), (8645, 15204), (8869, 14820), (9310, 14118), (9412, 13965), (9555, 13756), (10317, 12740), (10374, 12670), (10860, 12103), (11172, 11765)]