720646980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{42743}}^1$

素因数の和:43036

約数の個数: 48

約数和(自身を含む): 2025039744

約数和(自身を除く): 1304392764

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 281, 562, 843, 1124, 1405, 1686, 2810, 3372, 4215, 5620, 8430, 16860, 42743, 85486, 128229, 170972, 213715, 256458, 427430, 512916, 641145, 854860, 1282290, 2564580, 12010783, 24021566, 36032349, 48043132, 60053915, 72064698, 120107830, 144129396, 180161745, 240215660, 360323490, 720646980]

約数ペア:

[(1, 720646980), (2, 360323490), (3, 240215660), (4, 180161745), (5, 144129396), (6, 120107830), (10, 72064698), (12, 60053915), (15, 48043132), (20, 36032349), (30, 24021566), (60, 12010783), (281, 2564580), (562, 1282290), (843, 854860), (1124, 641145), (1405, 512916), (1686, 427430), (2810, 256458), (3372, 213715), (4215, 170972), (5620, 128229), (8430, 85486), (16860, 42743)]