405655440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1690231}}^1$

素因数の和:1690247

約数の個数: 40

約数和(自身を含む): 1257532608

約数和(自身を除く): 851877168

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1690231, 3380462, 5070693, 6760924, 8451155, 10141386, 13521848, 16902310, 20282772, 25353465, 27043696, 33804620, 40565544, 50706930, 67609240, 81131088, 101413860, 135218480, 202827720, 405655440]

約数ペア:

[(1, 405655440), (2, 202827720), (3, 135218480), (4, 101413860), (5, 81131088), (6, 67609240), (8, 50706930), (10, 40565544), (12, 33804620), (15, 27043696), (16, 25353465), (20, 20282772), (24, 16902310), (30, 13521848), (40, 10141386), (48, 8451155), (60, 6760924), (80, 5070693), (120, 3380462), (240, 1690231)]