212487240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1931}}^1$

素因数の和:2083

約数の個数: 128

約数和(自身を含む): 734469120

約数和(自身を除く): 521981880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 131, 140, 168, 210, 262, 280, 393, 420, 524, 655, 786, 840, 917, 1048, 1310, 1572, 1834, 1931, 1965, 2620, 2751, 3144, 3668, 3862, 3930, 4585, 5240, 5502, 5793, 7336, 7724, 7860, 9170, 9655, 11004, 11586, 13517, 13755, 15448, 15720, 18340, 19310, 22008, 23172, 27034, 27510, 28965, 36680, 38620, 40551, 46344, 54068, 55020, 57930, 67585, 77240, 81102, 108136, 110040, 115860, 135170, 162204, 202755, 231720, 252961, 270340, 324408, 405510, 505922, 540680, 758883, 811020, 1011844, 1264805, 1517766, 1622040, 1770727, 2023688, 2529610, 3035532, 3541454, 3794415, 5059220, 5312181, 6071064, 7082908, 7588830, 8853635, 10118440, 10624362, 14165816, 15177660, 17707270, 21248724, 26560905, 30355320, 35414540, 42497448, 53121810, 70829080, 106243620, 212487240]

約数ペア:

[(1, 212487240), (2, 106243620), (3, 70829080), (4, 53121810), (5, 42497448), (6, 35414540), (7, 30355320), (8, 26560905), (10, 21248724), (12, 17707270), (14, 15177660), (15, 14165816), (20, 10624362), (21, 10118440), (24, 8853635), (28, 7588830), (30, 7082908), (35, 6071064), (40, 5312181), (42, 5059220), (56, 3794415), (60, 3541454), (70, 3035532), (84, 2529610), (105, 2023688), (120, 1770727), (131, 1622040), (140, 1517766), (168, 1264805), (210, 1011844), (262, 811020), (280, 758883), (393, 540680), (420, 505922), (524, 405510), (655, 324408), (786, 270340), (840, 252961), (917, 231720), (1048, 202755), (1310, 162204), (1572, 135170), (1834, 115860), (1931, 110040), (1965, 108136), (2620, 81102), (2751, 77240), (3144, 67585), (3668, 57930), (3862, 55020), (3930, 54068), (4585, 46344), (5240, 40551), (5502, 38620), (5793, 36680), (7336, 28965), (7724, 27510), (7860, 27034), (9170, 23172), (9655, 22008), (11004, 19310), (11586, 18340), (13517, 15720), (13755, 15448)]