328954920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{391613}}^1$

素因数の和:391634

約数の個数: 64

約数和(自身を含む): 1127848320

約数和(自身を除く): 798893400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 391613, 783226, 1174839, 1566452, 1958065, 2349678, 2741291, 3132904, 3916130, 4699356, 5482582, 5874195, 7832260, 8223873, 9398712, 10965164, 11748390, 13706455, 15664520, 16447746, 21930328, 23496780, 27412910, 32895492, 41119365, 46993560, 54825820, 65790984, 82238730, 109651640, 164477460, 328954920]

約数ペア:

[(1, 328954920), (2, 164477460), (3, 109651640), (4, 82238730), (5, 65790984), (6, 54825820), (7, 46993560), (8, 41119365), (10, 32895492), (12, 27412910), (14, 23496780), (15, 21930328), (20, 16447746), (21, 15664520), (24, 13706455), (28, 11748390), (30, 10965164), (35, 9398712), (40, 8223873), (42, 7832260), (56, 5874195), (60, 5482582), (70, 4699356), (84, 3916130), (105, 3132904), (120, 2741291), (140, 2349678), (168, 1958065), (210, 1566452), (280, 1174839), (420, 783226), (840, 391613)]