20328800040

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{45139}}^1$

素因数の和:45301

約数の個数: 160

約数和(自身を含む): 68820444000

約数和(自身を除く): 48491643960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 139, 162, 180, 216, 270, 278, 324, 360, 405, 417, 540, 556, 648, 695, 810, 834, 1080, 1112, 1251, 1390, 1620, 1668, 2085, 2502, 2780, 3240, 3336, 3753, 4170, 5004, 5560, 6255, 7506, 8340, 10008, 11259, 12510, 15012, 16680, 18765, 22518, 25020, 30024, 37530, 45036, 45139, 50040, 56295, 75060, 90072, 90278, 112590, 135417, 150120, 180556, 225180, 225695, 270834, 361112, 406251, 450360, 451390, 541668, 677085, 812502, 902780, 1083336, 1218753, 1354170, 1625004, 1805560, 2031255, 2437506, 2708340, 3250008, 3656259, 4062510, 4875012, 5416680, 6093765, 6274321, 7312518, 8125020, 9750024, 12187530, 12548642, 14625036, 16250040, 18281295, 18822963, 24375060, 25097284, 29250072, 31371605, 36562590, 37645926, 48750120, 50194568, 56468889, 62743210, 73125180, 75291852, 94114815, 112937778, 125486420, 146250360, 150583704, 169406667, 188229630, 225875556, 250972840, 282344445, 338813334, 376459260, 451751112, 508220001, 564688890, 677626668, 752918520, 847033335, 1016440002, 1129377780, 1355253336, 1694066670, 2032880004, 2258755560, 2541100005, 3388133340, 4065760008, 5082200010, 6776266680, 10164400020, 20328800040]

約数ペア:

[(1, 20328800040), (2, 10164400020), (3, 6776266680), (4, 5082200010), (5, 4065760008), (6, 3388133340), (8, 2541100005), (9, 2258755560), (10, 2032880004), (12, 1694066670), (15, 1355253336), (18, 1129377780), (20, 1016440002), (24, 847033335), (27, 752918520), (30, 677626668), (36, 564688890), (40, 508220001), (45, 451751112), (54, 376459260), (60, 338813334), (72, 282344445), (81, 250972840), (90, 225875556), (108, 188229630), (120, 169406667), (135, 150583704), (139, 146250360), (162, 125486420), (180, 112937778), (216, 94114815), (270, 75291852), (278, 73125180), (324, 62743210), (360, 56468889), (405, 50194568), (417, 48750120), (540, 37645926), (556, 36562590), (648, 31371605), (695, 29250072), (810, 25097284), (834, 24375060), (1080, 18822963), (1112, 18281295), (1251, 16250040), (1390, 14625036), (1620, 12548642), (1668, 12187530), (2085, 9750024), (2502, 8125020), (2780, 7312518), (3240, 6274321), (3336, 6093765), (3753, 5416680), (4170, 4875012), (5004, 4062510), (5560, 3656259), (6255, 3250008), (7506, 2708340), (8340, 2437506), (10008, 2031255), (11259, 1805560), (12510, 1625004), (15012, 1354170), (16680, 1218753), (18765, 1083336), (22518, 902780), (25020, 812502), (30024, 677085), (37530, 541668), (45036, 451390), (45139, 450360), (50040, 406251), (56295, 361112), (75060, 270834), (90072, 225695), (90278, 225180), (112590, 180556), (135417, 150120)]