156779840240

素因数分解:

$2^4\times 5^1\times {\mathrm{661}}^1\times {\mathrm{2964823}}^1$

素因数の和:2965497

約数の個数: 40

約数和(自身を含む): 365064708768

約数和(自身を除く): 208284868528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 661, 1322, 2644, 3305, 5288, 6610, 10576, 13220, 26440, 52880, 2964823, 5929646, 11859292, 14824115, 23718584, 29648230, 47437168, 59296460, 118592920, 237185840, 1959748003, 3919496006, 7838992012, 9798740015, 15677984024, 19597480030, 31355968048, 39194960060, 78389920120, 156779840240]

約数ペア:

[(1, 156779840240), (2, 78389920120), (4, 39194960060), (5, 31355968048), (8, 19597480030), (10, 15677984024), (16, 9798740015), (20, 7838992012), (40, 3919496006), (80, 1959748003), (661, 237185840), (1322, 118592920), (2644, 59296460), (3305, 47437168), (5288, 29648230), (6610, 23718584), (10576, 14824115), (13220, 11859292), (26440, 5929646), (52880, 2964823)]