20145510

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:73

約数の個数: 320

約数和(自身を含む): 75271680

約数和(自身を除く): 55126170

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 17, 18, 19, 21, 22, 27, 30, 33, 34, 35, 38, 42, 45, 51, 54, 55, 57, 63, 66, 70, 77, 81, 85, 90, 95, 99, 102, 105, 110, 114, 119, 126, 133, 135, 153, 154, 162, 165, 170, 171, 187, 189, 190, 198, 209, 210, 231, 238, 255, 266, 270, 285, 297, 306, 315, 323, 330, 342, 357, 374, 378, 385, 399, 405, 418, 459, 462, 495, 510, 513, 561, 567, 570, 594, 595, 627, 630, 646, 665, 693, 714, 765, 770, 798, 810, 855, 891, 918, 935, 945, 969, 990, 1026, 1045, 1071, 1122, 1134, 1155, 1190, 1197, 1254, 1309, 1330, 1377, 1386, 1463, 1485, 1530, 1539, 1615, 1683, 1710, 1782, 1785, 1870, 1881, 1890, 1938, 1995, 2079, 2090, 2142, 2261, 2295, 2310, 2394, 2565, 2618, 2754, 2805, 2835, 2907, 2926, 2970, 3078, 3135, 3213, 3230, 3366, 3465, 3553, 3570, 3591, 3762, 3927, 3990, 4158, 4389, 4455, 4522, 4590, 4845, 5049, 5130, 5355, 5610, 5643, 5670, 5814, 5985, 6237, 6270, 6426, 6545, 6783, 6885, 6930, 7106, 7182, 7315, 7695, 7854, 8415, 8721, 8778, 8910, 9405, 9639, 9690, 10098, 10395, 10659, 10710, 10773, 11286, 11305, 11781, 11970, 12474, 13090, 13167, 13566, 13770, 14535, 14630, 15147, 15390, 16065, 16830, 16929, 17442, 17765, 17955, 18810, 19278, 19635, 20349, 20790, 21318, 21546, 21945, 22610, 23562, 24871, 25245, 26163, 26334, 28215, 29070, 30294, 31185, 31977, 32130, 33858, 33915, 35343, 35530, 35910, 39270, 39501, 40698, 43605, 43890, 48195, 49742, 50490, 52326, 53295, 53865, 56430, 58905, 61047, 62370, 63954, 65835, 67830, 70686, 74613, 75735, 79002, 84645, 87210, 95931, 96390, 101745, 106029, 106590, 107730, 117810, 118503, 122094, 124355, 130815, 131670, 149226, 151470, 159885, 169290, 176715, 183141, 191862, 197505, 203490, 212058, 223839, 237006, 248710, 261630, 287793, 305235, 319770, 353430, 366282, 373065, 395010, 447678, 479655, 530145, 575586, 592515, 610470, 671517, 746130, 915705, 959310, 1060290, 1119195, 1185030, 1343034, 1438965, 1831410, 2014551, 2238390, 2877930, 3357585, 4029102, 6715170, 10072755, 20145510]

約数ペア:

[(1, 20145510), (2, 10072755), (3, 6715170), (5, 4029102), (6, 3357585), (7, 2877930), (9, 2238390), (10, 2014551), (11, 1831410), (14, 1438965), (15, 1343034), (17, 1185030), (18, 1119195), (19, 1060290), (21, 959310), (22, 915705), (27, 746130), (30, 671517), (33, 610470), (34, 592515), (35, 575586), (38, 530145), (42, 479655), (45, 447678), (51, 395010), (54, 373065), (55, 366282), (57, 353430), (63, 319770), (66, 305235), (70, 287793), (77, 261630), (81, 248710), (85, 237006), (90, 223839), (95, 212058), (99, 203490), (102, 197505), (105, 191862), (110, 183141), (114, 176715), (119, 169290), (126, 159885), (133, 151470), (135, 149226), (153, 131670), (154, 130815), (162, 124355), (165, 122094), (170, 118503), (171, 117810), (187, 107730), (189, 106590), (190, 106029), (198, 101745), (209, 96390), (210, 95931), (231, 87210), (238, 84645), (255, 79002), (266, 75735), (270, 74613), (285, 70686), (297, 67830), (306, 65835), (315, 63954), (323, 62370), (330, 61047), (342, 58905), (357, 56430), (374, 53865), (378, 53295), (385, 52326), (399, 50490), (405, 49742), (418, 48195), (459, 43890), (462, 43605), (495, 40698), (510, 39501), (513, 39270), (561, 35910), (567, 35530), (570, 35343), (594, 33915), (595, 33858), (627, 32130), (630, 31977), (646, 31185), (665, 30294), (693, 29070), (714, 28215), (765, 26334), (770, 26163), (798, 25245), (810, 24871), (855, 23562), (891, 22610), (918, 21945), (935, 21546), (945, 21318), (969, 20790), (990, 20349), (1026, 19635), (1045, 19278), (1071, 18810), (1122, 17955), (1134, 17765), (1155, 17442), (1190, 16929), (1197, 16830), (1254, 16065), (1309, 15390), (1330, 15147), (1377, 14630), (1386, 14535), (1463, 13770), (1485, 13566), (1530, 13167), (1539, 13090), (1615, 12474), (1683, 11970), (1710, 11781), (1782, 11305), (1785, 11286), (1870, 10773), (1881, 10710), (1890, 10659), (1938, 10395), (1995, 10098), (2079, 9690), (2090, 9639), (2142, 9405), (2261, 8910), (2295, 8778), (2310, 8721), (2394, 8415), (2565, 7854), (2618, 7695), (2754, 7315), (2805, 7182), (2835, 7106), (2907, 6930), (2926, 6885), (2970, 6783), (3078, 6545), (3135, 6426), (3213, 6270), (3230, 6237), (3366, 5985), (3465, 5814), (3553, 5670), (3570, 5643), (3591, 5610), (3762, 5355), (3927, 5130), (3990, 5049), (4158, 4845), (4389, 4590), (4455, 4522)]