80120160

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{55639}}^1$

素因数の和:55660

約数の個数: 72

約数和(自身を含む): 273414960

約数和(自身を除く): 193294800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 55639, 111278, 166917, 222556, 278195, 333834, 445112, 500751, 556390, 667668, 834585, 890224, 1001502, 1112780, 1335336, 1669170, 1780448, 2003004, 2225560, 2503755, 2670672, 3338340, 4006008, 4451120, 5007510, 5341344, 6676680, 8012016, 8902240, 10015020, 13353360, 16024032, 20030040, 26706720, 40060080, 80120160]

約数ペア:

[(1, 80120160), (2, 40060080), (3, 26706720), (4, 20030040), (5, 16024032), (6, 13353360), (8, 10015020), (9, 8902240), (10, 8012016), (12, 6676680), (15, 5341344), (16, 5007510), (18, 4451120), (20, 4006008), (24, 3338340), (30, 2670672), (32, 2503755), (36, 2225560), (40, 2003004), (45, 1780448), (48, 1669170), (60, 1335336), (72, 1112780), (80, 1001502), (90, 890224), (96, 834585), (120, 667668), (144, 556390), (160, 500751), (180, 445112), (240, 333834), (288, 278195), (360, 222556), (480, 166917), (720, 111278), (1440, 55639)]