198487440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{275677}}^1$

素因数の和:275696

約数の個数: 60

約数和(自身を含む): 666589404

約数和(自身を除く): 468101964

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 275677, 551354, 827031, 1102708, 1378385, 1654062, 2205416, 2481093, 2756770, 3308124, 4135155, 4410832, 4962186, 5513540, 6616248, 8270310, 9924372, 11027080, 12405465, 13232496, 16540620, 19848744, 22054160, 24810930, 33081240, 39697488, 49621860, 66162480, 99243720, 198487440]

約数ペア:

[(1, 198487440), (2, 99243720), (3, 66162480), (4, 49621860), (5, 39697488), (6, 33081240), (8, 24810930), (9, 22054160), (10, 19848744), (12, 16540620), (15, 13232496), (16, 12405465), (18, 11027080), (20, 9924372), (24, 8270310), (30, 6616248), (36, 5513540), (40, 4962186), (45, 4410832), (48, 4135155), (60, 3308124), (72, 2756770), (80, 2481093), (90, 2205416), (120, 1654062), (144, 1378385), (180, 1102708), (240, 827031), (360, 551354), (720, 275677)]