1520232420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1381}}^1\times {\mathrm{2621}}^1$

素因数の和:4021

約数の個数: 96

約数和(自身を含む): 4870123776

約数和(自身を除く): 3349891356

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 1381, 2621, 2762, 4143, 5242, 5524, 6905, 7863, 8286, 9667, 10484, 13105, 13810, 15726, 16572, 18347, 19334, 20715, 26210, 27620, 29001, 31452, 36694, 38668, 39315, 41430, 48335, 52420, 55041, 58002, 73388, 78630, 82860, 91735, 96670, 110082, 116004, 145005, 157260, 183470, 193340, 220164, 275205, 290010, 366940, 550410, 580020, 1100820, 3619601, 7239202, 10858803, 14478404, 18098005, 21717606, 25337207, 36196010, 43435212, 50674414, 54294015, 72392020, 76011621, 101348828, 108588030, 126686035, 152023242, 217176060, 253372070, 304046484, 380058105, 506744140, 760116210, 1520232420]

約数ペア:

[(1, 1520232420), (2, 760116210), (3, 506744140), (4, 380058105), (5, 304046484), (6, 253372070), (7, 217176060), (10, 152023242), (12, 126686035), (14, 108588030), (15, 101348828), (20, 76011621), (21, 72392020), (28, 54294015), (30, 50674414), (35, 43435212), (42, 36196010), (60, 25337207), (70, 21717606), (84, 18098005), (105, 14478404), (140, 10858803), (210, 7239202), (420, 3619601), (1381, 1100820), (2621, 580020), (2762, 550410), (4143, 366940), (5242, 290010), (5524, 275205), (6905, 220164), (7863, 193340), (8286, 183470), (9667, 157260), (10484, 145005), (13105, 116004), (13810, 110082), (15726, 96670), (16572, 91735), (18347, 82860), (19334, 78630), (20715, 73388), (26210, 58002), (27620, 55041), (29001, 52420), (31452, 48335), (36694, 41430), (38668, 39315)]