201778320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{840743}}^1$

素因数の和:840759

約数の個数: 40

約数和(自身を含む): 625513536

約数和(自身を除く): 423735216

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 840743, 1681486, 2522229, 3362972, 4203715, 5044458, 6725944, 8407430, 10088916, 12611145, 13451888, 16814860, 20177832, 25222290, 33629720, 40355664, 50444580, 67259440, 100889160, 201778320]

約数ペア:

[(1, 201778320), (2, 100889160), (3, 67259440), (4, 50444580), (5, 40355664), (6, 33629720), (8, 25222290), (10, 20177832), (12, 16814860), (15, 13451888), (16, 12611145), (20, 10088916), (24, 8407430), (30, 6725944), (40, 5044458), (48, 4203715), (60, 3362972), (80, 2522229), (120, 1681486), (240, 840743)]