161323680

素因数分解:

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

素因数の和:89

約数の個数: 288

約数和(自身を含む): 623972160

約数和(自身を除く): 462648480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 32, 35, 38, 40, 42, 48, 49, 56, 57, 60, 70, 76, 80, 84, 95, 96, 98, 105, 112, 114, 120, 133, 140, 147, 152, 160, 168, 190, 196, 210, 224, 228, 240, 245, 266, 280, 285, 294, 304, 336, 361, 380, 392, 399, 420, 456, 480, 490, 532, 560, 570, 588, 608, 665, 672, 722, 735, 760, 784, 798, 840, 912, 931, 980, 1064, 1083, 1120, 1140, 1176, 1330, 1444, 1470, 1520, 1568, 1596, 1680, 1805, 1824, 1862, 1960, 1995, 2128, 2166, 2280, 2352, 2527, 2660, 2793, 2888, 2940, 3040, 3192, 3360, 3610, 3724, 3920, 3990, 4256, 4332, 4560, 4655, 4704, 5054, 5320, 5415, 5586, 5776, 5880, 6384, 6859, 7220, 7448, 7581, 7840, 7980, 8664, 9120, 9310, 10108, 10640, 10830, 11172, 11552, 11760, 12635, 12768, 13718, 13965, 14440, 14896, 15162, 15960, 17328, 17689, 18620, 20216, 20577, 21280, 21660, 22344, 23520, 25270, 27436, 27930, 28880, 29792, 30324, 31920, 34295, 34656, 35378, 37240, 37905, 40432, 41154, 43320, 44688, 48013, 50540, 53067, 54872, 55860, 57760, 60648, 63840, 68590, 70756, 74480, 75810, 80864, 82308, 86640, 88445, 89376, 96026, 101080, 102885, 106134, 109744, 111720, 121296, 137180, 141512, 144039, 148960, 151620, 164616, 173280, 176890, 192052, 202160, 205770, 212268, 219488, 223440, 240065, 242592, 265335, 274360, 283024, 288078, 303240, 329232, 336091, 353780, 384104, 404320, 411540, 424536, 446880, 480130, 530670, 548720, 566048, 576156, 606480, 658464, 672182, 707560, 720195, 768208, 823080, 849072, 960260, 1008273, 1061340, 1097440, 1152312, 1212960, 1344364, 1415120, 1440390, 1536416, 1646160, 1680455, 1698144, 1920520, 2016546, 2122680, 2304624, 2688728, 2830240, 2880780, 3292320, 3360910, 3841040, 4033092, 4245360, 4609248, 5041365, 5377456, 5761560, 6721820, 7682080, 8066184, 8490720, 10082730, 10754912, 11523120, 13443640, 16132368, 20165460, 23046240, 26887280, 32264736, 40330920, 53774560, 80661840, 161323680]

約数ペア:

[(1, 161323680), (2, 80661840), (3, 53774560), (4, 40330920), (5, 32264736), (6, 26887280), (7, 23046240), (8, 20165460), (10, 16132368), (12, 13443640), (14, 11523120), (15, 10754912), (16, 10082730), (19, 8490720), (20, 8066184), (21, 7682080), (24, 6721820), (28, 5761560), (30, 5377456), (32, 5041365), (35, 4609248), (38, 4245360), (40, 4033092), (42, 3841040), (48, 3360910), (49, 3292320), (56, 2880780), (57, 2830240), (60, 2688728), (70, 2304624), (76, 2122680), (80, 2016546), (84, 1920520), (95, 1698144), (96, 1680455), (98, 1646160), (105, 1536416), (112, 1440390), (114, 1415120), (120, 1344364), (133, 1212960), (140, 1152312), (147, 1097440), (152, 1061340), (160, 1008273), (168, 960260), (190, 849072), (196, 823080), (210, 768208), (224, 720195), (228, 707560), (240, 672182), (245, 658464), (266, 606480), (280, 576156), (285, 566048), (294, 548720), (304, 530670), (336, 480130), (361, 446880), (380, 424536), (392, 411540), (399, 404320), (420, 384104), (456, 353780), (480, 336091), (490, 329232), (532, 303240), (560, 288078), (570, 283024), (588, 274360), (608, 265335), (665, 242592), (672, 240065), (722, 223440), (735, 219488), (760, 212268), (784, 205770), (798, 202160), (840, 192052), (912, 176890), (931, 173280), (980, 164616), (1064, 151620), (1083, 148960), (1120, 144039), (1140, 141512), (1176, 137180), (1330, 121296), (1444, 111720), (1470, 109744), (1520, 106134), (1568, 102885), (1596, 101080), (1680, 96026), (1805, 89376), (1824, 88445), (1862, 86640), (1960, 82308), (1995, 80864), (2128, 75810), (2166, 74480), (2280, 70756), (2352, 68590), (2527, 63840), (2660, 60648), (2793, 57760), (2888, 55860), (2940, 54872), (3040, 53067), (3192, 50540), (3360, 48013), (3610, 44688), (3724, 43320), (3920, 41154), (3990, 40432), (4256, 37905), (4332, 37240), (4560, 35378), (4655, 34656), (4704, 34295), (5054, 31920), (5320, 30324), (5415, 29792), (5586, 28880), (5776, 27930), (5880, 27436), (6384, 25270), (6859, 23520), (7220, 22344), (7448, 21660), (7581, 21280), (7840, 20577), (7980, 20216), (8664, 18620), (9120, 17689), (9310, 17328), (10108, 15960), (10640, 15162), (10830, 14896), (11172, 14440), (11552, 13965), (11760, 13718), (12635, 12768)]