647181810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{887}}^1$

素因数の和:989

約数の個数: 144

約数和(自身を含む): 1879270848

約数和(自身を除く): 1232089038

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 67, 90, 99, 110, 121, 134, 165, 198, 201, 242, 330, 335, 363, 402, 495, 603, 605, 670, 726, 737, 887, 990, 1005, 1089, 1206, 1210, 1474, 1774, 1815, 2010, 2178, 2211, 2661, 3015, 3630, 3685, 4422, 4435, 5322, 5445, 6030, 6633, 7370, 7983, 8107, 8870, 9757, 10890, 11055, 13266, 13305, 15966, 16214, 19514, 22110, 24321, 26610, 29271, 33165, 39915, 40535, 48642, 48785, 58542, 59429, 66330, 72963, 79830, 81070, 87813, 97570, 107327, 118858, 121605, 145926, 146355, 175626, 178287, 214654, 243210, 292710, 297145, 321981, 356574, 364815, 439065, 534861, 536635, 594290, 643962, 653719, 729630, 878130, 891435, 965943, 1069722, 1073270, 1307438, 1609905, 1782870, 1931886, 1961157, 2674305, 3219810, 3268595, 3922314, 4829715, 5348610, 5883471, 6537190, 7190909, 9659430, 9805785, 11766942, 14381818, 19611570, 21572727, 29417355, 35954545, 43145454, 58834710, 64718181, 71909090, 107863635, 129436362, 215727270, 323590905, 647181810]

約数ペア:

[(1, 647181810), (2, 323590905), (3, 215727270), (5, 129436362), (6, 107863635), (9, 71909090), (10, 64718181), (11, 58834710), (15, 43145454), (18, 35954545), (22, 29417355), (30, 21572727), (33, 19611570), (45, 14381818), (55, 11766942), (66, 9805785), (67, 9659430), (90, 7190909), (99, 6537190), (110, 5883471), (121, 5348610), (134, 4829715), (165, 3922314), (198, 3268595), (201, 3219810), (242, 2674305), (330, 1961157), (335, 1931886), (363, 1782870), (402, 1609905), (495, 1307438), (603, 1073270), (605, 1069722), (670, 965943), (726, 891435), (737, 878130), (887, 729630), (990, 653719), (1005, 643962), (1089, 594290), (1206, 536635), (1210, 534861), (1474, 439065), (1774, 364815), (1815, 356574), (2010, 321981), (2178, 297145), (2211, 292710), (2661, 243210), (3015, 214654), (3630, 178287), (3685, 175626), (4422, 146355), (4435, 145926), (5322, 121605), (5445, 118858), (6030, 107327), (6633, 97570), (7370, 87813), (7983, 81070), (8107, 79830), (8870, 72963), (9757, 66330), (10890, 59429), (11055, 58542), (13266, 48785), (13305, 48642), (15966, 40535), (16214, 39915), (19514, 33165), (22110, 29271), (24321, 26610)]