128040960

素因数分解:

$2^{14}\times 3^1\times 5^1\times {\mathrm{521}}^1$

素因数の和:557

約数の個数: 120

約数和(自身を含む): 410504976

約数和(自身を除く): 282464016

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, 160, 192, 240, 256, 320, 384, 480, 512, 521, 640, 768, 960, 1024, 1042, 1280, 1536, 1563, 1920, 2048, 2084, 2560, 2605, 3072, 3126, 3840, 4096, 4168, 5120, 5210, 6144, 6252, 7680, 7815, 8192, 8336, 10240, 10420, 12288, 12504, 15360, 15630, 16384, 16672, 20480, 20840, 24576, 25008, 30720, 31260, 33344, 40960, 41680, 49152, 50016, 61440, 62520, 66688, 81920, 83360, 100032, 122880, 125040, 133376, 166720, 200064, 245760, 250080, 266752, 333440, 400128, 500160, 533504, 666880, 800256, 1000320, 1067008, 1333760, 1600512, 2000640, 2134016, 2667520, 3201024, 4001280, 4268032, 5335040, 6402048, 8002560, 8536064, 10670080, 12804096, 16005120, 21340160, 25608192, 32010240, 42680320, 64020480, 128040960]

約数ペア:

[(1, 128040960), (2, 64020480), (3, 42680320), (4, 32010240), (5, 25608192), (6, 21340160), (8, 16005120), (10, 12804096), (12, 10670080), (15, 8536064), (16, 8002560), (20, 6402048), (24, 5335040), (30, 4268032), (32, 4001280), (40, 3201024), (48, 2667520), (60, 2134016), (64, 2000640), (80, 1600512), (96, 1333760), (120, 1067008), (128, 1000320), (160, 800256), (192, 666880), (240, 533504), (256, 500160), (320, 400128), (384, 333440), (480, 266752), (512, 250080), (521, 245760), (640, 200064), (768, 166720), (960, 133376), (1024, 125040), (1042, 122880), (1280, 100032), (1536, 83360), (1563, 81920), (1920, 66688), (2048, 62520), (2084, 61440), (2560, 50016), (2605, 49152), (3072, 41680), (3126, 40960), (3840, 33344), (4096, 31260), (4168, 30720), (5120, 25008), (5210, 24576), (6144, 20840), (6252, 20480), (7680, 16672), (7815, 16384), (8192, 15630), (8336, 15360), (10240, 12504), (10420, 12288)]