131041920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{521}}^1$

素因数の和:674

約数の個数: 128

約数和(自身を含む): 421692480

約数和(自身を除く): 290650560

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, 128, 131, 160, 192, 240, 262, 320, 384, 393, 480, 521, 524, 640, 655, 786, 960, 1042, 1048, 1310, 1563, 1572, 1920, 1965, 2084, 2096, 2605, 2620, 3126, 3144, 3930, 4168, 4192, 5210, 5240, 6252, 6288, 7815, 7860, 8336, 8384, 10420, 10480, 12504, 12576, 15630, 15720, 16672, 16768, 20840, 20960, 25008, 25152, 31260, 31440, 33344, 41680, 41920, 50016, 50304, 62520, 62880, 66688, 68251, 83360, 83840, 100032, 125040, 125760, 136502, 166720, 200064, 204753, 250080, 251520, 273004, 333440, 341255, 409506, 500160, 546008, 682510, 819012, 1000320, 1023765, 1092016, 1365020, 1638024, 2047530, 2184032, 2730040, 3276048, 4095060, 4368064, 5460080, 6552096, 8190120, 8736128, 10920160, 13104192, 16380240, 21840320, 26208384, 32760480, 43680640, 65520960, 131041920]

約数ペア:

[(1, 131041920), (2, 65520960), (3, 43680640), (4, 32760480), (5, 26208384), (6, 21840320), (8, 16380240), (10, 13104192), (12, 10920160), (15, 8736128), (16, 8190120), (20, 6552096), (24, 5460080), (30, 4368064), (32, 4095060), (40, 3276048), (48, 2730040), (60, 2184032), (64, 2047530), (80, 1638024), (96, 1365020), (120, 1092016), (128, 1023765), (131, 1000320), (160, 819012), (192, 682510), (240, 546008), (262, 500160), (320, 409506), (384, 341255), (393, 333440), (480, 273004), (521, 251520), (524, 250080), (640, 204753), (655, 200064), (786, 166720), (960, 136502), (1042, 125760), (1048, 125040), (1310, 100032), (1563, 83840), (1572, 83360), (1920, 68251), (1965, 66688), (2084, 62880), (2096, 62520), (2605, 50304), (2620, 50016), (3126, 41920), (3144, 41680), (3930, 33344), (4168, 31440), (4192, 31260), (5210, 25152), (5240, 25008), (6252, 20960), (6288, 20840), (7815, 16768), (7860, 16672), (8336, 15720), (8384, 15630), (10420, 12576), (10480, 12504)]