261851520

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{19483}}^1$

素因数の和:19512

約数の個数: 128

約数和(自身を含む): 953936640

約数和(自身を除く): 692085120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 19483, 38966, 58449, 77932, 97415, 116898, 136381, 155864, 194830, 233796, 272762, 292245, 311728, 389660, 409143, 467592, 545524, 584490, 623456, 681905, 779320, 818286, 935184, 1091048, 1168980, 1246912, 1363810, 1558640, 1636572, 1870368, 2045715, 2182096, 2337960, 2493824, 2727620, 3117280, 3273144, 3740736, 4091430, 4364192, 4675920, 5455240, 6234560, 6546288, 7481472, 8182860, 8728384, 9351840, 10910480, 12469120, 13092576, 16365720, 17456768, 18703680, 21820960, 26185152, 32731440, 37407360, 43641920, 52370304, 65462880, 87283840, 130925760, 261851520]

約数ペア:

[(1, 261851520), (2, 130925760), (3, 87283840), (4, 65462880), (5, 52370304), (6, 43641920), (7, 37407360), (8, 32731440), (10, 26185152), (12, 21820960), (14, 18703680), (15, 17456768), (16, 16365720), (20, 13092576), (21, 12469120), (24, 10910480), (28, 9351840), (30, 8728384), (32, 8182860), (35, 7481472), (40, 6546288), (42, 6234560), (48, 5455240), (56, 4675920), (60, 4364192), (64, 4091430), (70, 3740736), (80, 3273144), (84, 3117280), (96, 2727620), (105, 2493824), (112, 2337960), (120, 2182096), (128, 2045715), (140, 1870368), (160, 1636572), (168, 1558640), (192, 1363810), (210, 1246912), (224, 1168980), (240, 1091048), (280, 935184), (320, 818286), (336, 779320), (384, 681905), (420, 623456), (448, 584490), (480, 545524), (560, 467592), (640, 409143), (672, 389660), (840, 311728), (896, 292245), (960, 272762), (1120, 233796), (1344, 194830), (1680, 155864), (1920, 136381), (2240, 116898), (2688, 97415), (3360, 77932), (4480, 58449), (6720, 38966), (13440, 19483)]