305327520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4931}}^1$

素因数の和:4995

約数の個数: 144

約数和(自身を含む): 1066377312

約数和(自身を除く): 761049792

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 96, 120, 129, 144, 160, 172, 180, 215, 240, 258, 288, 344, 360, 387, 430, 480, 516, 645, 688, 720, 774, 860, 1032, 1290, 1376, 1440, 1548, 1720, 1935, 2064, 2580, 3096, 3440, 3870, 4128, 4931, 5160, 6192, 6880, 7740, 9862, 10320, 12384, 14793, 15480, 19724, 20640, 24655, 29586, 30960, 39448, 44379, 49310, 59172, 61920, 73965, 78896, 88758, 98620, 118344, 147930, 157792, 177516, 197240, 212033, 221895, 236688, 295860, 355032, 394480, 424066, 443790, 473376, 591720, 636099, 710064, 788960, 848132, 887580, 1060165, 1183440, 1272198, 1420128, 1696264, 1775160, 1908297, 2120330, 2366880, 2544396, 3180495, 3392528, 3550320, 3816594, 4240660, 5088792, 6360990, 6785056, 7100640, 7633188, 8481320, 9541485, 10177584, 12721980, 15266376, 16962640, 19082970, 20355168, 25443960, 30532752, 33925280, 38165940, 50887920, 61065504, 76331880, 101775840, 152663760, 305327520]

約数ペア:

[(1, 305327520), (2, 152663760), (3, 101775840), (4, 76331880), (5, 61065504), (6, 50887920), (8, 38165940), (9, 33925280), (10, 30532752), (12, 25443960), (15, 20355168), (16, 19082970), (18, 16962640), (20, 15266376), (24, 12721980), (30, 10177584), (32, 9541485), (36, 8481320), (40, 7633188), (43, 7100640), (45, 6785056), (48, 6360990), (60, 5088792), (72, 4240660), (80, 3816594), (86, 3550320), (90, 3392528), (96, 3180495), (120, 2544396), (129, 2366880), (144, 2120330), (160, 1908297), (172, 1775160), (180, 1696264), (215, 1420128), (240, 1272198), (258, 1183440), (288, 1060165), (344, 887580), (360, 848132), (387, 788960), (430, 710064), (480, 636099), (516, 591720), (645, 473376), (688, 443790), (720, 424066), (774, 394480), (860, 355032), (1032, 295860), (1290, 236688), (1376, 221895), (1440, 212033), (1548, 197240), (1720, 177516), (1935, 157792), (2064, 147930), (2580, 118344), (3096, 98620), (3440, 88758), (3870, 78896), (4128, 73965), (4931, 61920), (5160, 59172), (6192, 49310), (6880, 44379), (7740, 39448), (9862, 30960), (10320, 29586), (12384, 24655), (14793, 20640), (15480, 19724)]