1311371520

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2689}}^1$

素因数の和:2840

約数の個数: 144

約数和(自身を含む): 4222740480

約数和(自身を除く): 2911368960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 127, 128, 160, 192, 240, 254, 256, 320, 381, 384, 480, 508, 635, 640, 762, 768, 960, 1016, 1270, 1280, 1524, 1905, 1920, 2032, 2540, 2689, 3048, 3810, 3840, 4064, 5080, 5378, 6096, 7620, 8067, 8128, 10160, 10756, 12192, 13445, 15240, 16134, 16256, 20320, 21512, 24384, 26890, 30480, 32268, 32512, 40335, 40640, 43024, 48768, 53780, 60960, 64536, 80670, 81280, 86048, 97536, 107560, 121920, 129072, 161340, 162560, 172096, 215120, 243840, 258144, 322680, 341503, 344192, 430240, 487680, 516288, 645360, 683006, 688384, 860480, 1024509, 1032576, 1290720, 1366012, 1707515, 1720960, 2049018, 2065152, 2581440, 2732024, 3415030, 3441920, 4098036, 5122545, 5162880, 5464048, 6830060, 8196072, 10245090, 10325760, 10928096, 13660120, 16392144, 20490180, 21856192, 27320240, 32784288, 40980360, 43712384, 54640480, 65568576, 81960720, 87424768, 109280960, 131137152, 163921440, 218561920, 262274304, 327842880, 437123840, 655685760, 1311371520]

約数ペア:

[(1, 1311371520), (2, 655685760), (3, 437123840), (4, 327842880), (5, 262274304), (6, 218561920), (8, 163921440), (10, 131137152), (12, 109280960), (15, 87424768), (16, 81960720), (20, 65568576), (24, 54640480), (30, 43712384), (32, 40980360), (40, 32784288), (48, 27320240), (60, 21856192), (64, 20490180), (80, 16392144), (96, 13660120), (120, 10928096), (127, 10325760), (128, 10245090), (160, 8196072), (192, 6830060), (240, 5464048), (254, 5162880), (256, 5122545), (320, 4098036), (381, 3441920), (384, 3415030), (480, 2732024), (508, 2581440), (635, 2065152), (640, 2049018), (762, 1720960), (768, 1707515), (960, 1366012), (1016, 1290720), (1270, 1032576), (1280, 1024509), (1524, 860480), (1905, 688384), (1920, 683006), (2032, 645360), (2540, 516288), (2689, 487680), (3048, 430240), (3810, 344192), (3840, 341503), (4064, 322680), (5080, 258144), (5378, 243840), (6096, 215120), (7620, 172096), (8067, 162560), (8128, 161340), (10160, 129072), (10756, 121920), (12192, 107560), (13445, 97536), (15240, 86048), (16134, 81280), (16256, 80670), (20320, 64536), (21512, 60960), (24384, 53780), (26890, 48768), (30480, 43024), (32268, 40640), (32512, 40335)]