431387120

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{811}}^1$

素因数の和:994

約数の個数: 80

約数和(自身を含む): 1030038240

約数和(自身を除く): 598651120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 109, 122, 218, 244, 305, 436, 488, 545, 610, 811, 872, 976, 1090, 1220, 1622, 1744, 2180, 2440, 3244, 4055, 4360, 4880, 6488, 6649, 8110, 8720, 12976, 13298, 16220, 26596, 32440, 33245, 49471, 53192, 64880, 66490, 88399, 98942, 106384, 132980, 176798, 197884, 247355, 265960, 353596, 395768, 441995, 494710, 531920, 707192, 791536, 883990, 989420, 1414384, 1767980, 1978840, 3535960, 3957680, 5392339, 7071920, 10784678, 21569356, 26961695, 43138712, 53923390, 86277424, 107846780, 215693560, 431387120]

約数ペア:

[(1, 431387120), (2, 215693560), (4, 107846780), (5, 86277424), (8, 53923390), (10, 43138712), (16, 26961695), (20, 21569356), (40, 10784678), (61, 7071920), (80, 5392339), (109, 3957680), (122, 3535960), (218, 1978840), (244, 1767980), (305, 1414384), (436, 989420), (488, 883990), (545, 791536), (610, 707192), (811, 531920), (872, 494710), (976, 441995), (1090, 395768), (1220, 353596), (1622, 265960), (1744, 247355), (2180, 197884), (2440, 176798), (3244, 132980), (4055, 106384), (4360, 98942), (4880, 88399), (6488, 66490), (6649, 64880), (8110, 53192), (8720, 49471), (12976, 33245), (13298, 32440), (16220, 26596)]