71887830

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1$

素因数の和:498

約数の個数: 128

約数和(自身を含む): 212889600

約数和(自身を除く): 141001770

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 43, 57, 70, 86, 95, 105, 114, 129, 133, 190, 210, 215, 258, 266, 285, 301, 399, 419, 430, 570, 602, 645, 665, 798, 817, 838, 903, 1257, 1290, 1330, 1505, 1634, 1806, 1995, 2095, 2451, 2514, 2933, 3010, 3990, 4085, 4190, 4515, 4902, 5719, 5866, 6285, 7961, 8170, 8799, 9030, 11438, 12255, 12570, 14665, 15922, 17157, 17598, 18017, 23883, 24510, 28595, 29330, 34314, 36034, 39805, 43995, 47766, 54051, 55727, 57190, 79610, 85785, 87990, 90085, 108102, 111454, 119415, 126119, 167181, 171570, 180170, 238830, 252238, 270255, 278635, 334362, 342323, 378357, 540510, 557270, 630595, 684646, 756714, 835905, 1026969, 1261190, 1671810, 1711615, 1891785, 2053938, 2396261, 3423230, 3783570, 4792522, 5134845, 7188783, 10269690, 11981305, 14377566, 23962610, 35943915, 71887830]

約数ペア:

[(1, 71887830), (2, 35943915), (3, 23962610), (5, 14377566), (6, 11981305), (7, 10269690), (10, 7188783), (14, 5134845), (15, 4792522), (19, 3783570), (21, 3423230), (30, 2396261), (35, 2053938), (38, 1891785), (42, 1711615), (43, 1671810), (57, 1261190), (70, 1026969), (86, 835905), (95, 756714), (105, 684646), (114, 630595), (129, 557270), (133, 540510), (190, 378357), (210, 342323), (215, 334362), (258, 278635), (266, 270255), (285, 252238), (301, 238830), (399, 180170), (419, 171570), (430, 167181), (570, 126119), (602, 119415), (645, 111454), (665, 108102), (798, 90085), (817, 87990), (838, 85785), (903, 79610), (1257, 57190), (1290, 55727), (1330, 54051), (1505, 47766), (1634, 43995), (1806, 39805), (1995, 36034), (2095, 34314), (2451, 29330), (2514, 28595), (2933, 24510), (3010, 23883), (3990, 18017), (4085, 17598), (4190, 17157), (4515, 15922), (4902, 14665), (5719, 12570), (5866, 12255), (6285, 11438), (7961, 9030), (8170, 8799)]