320480640

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{55639}}^1$

素因数の和:55664

約数の個数: 96

約数和(自身を含む): 1106679600

約数和(自身を除く): 786198960

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, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 288, 320, 360, 384, 480, 576, 640, 720, 960, 1152, 1440, 1920, 2880, 5760, 55639, 111278, 166917, 222556, 278195, 333834, 445112, 500751, 556390, 667668, 834585, 890224, 1001502, 1112780, 1335336, 1669170, 1780448, 2003004, 2225560, 2503755, 2670672, 3338340, 3560896, 4006008, 4451120, 5007510, 5341344, 6676680, 7121792, 8012016, 8902240, 10015020, 10682688, 13353360, 16024032, 17804480, 20030040, 21365376, 26706720, 32048064, 35608960, 40060080, 53413440, 64096128, 80120160, 106826880, 160240320, 320480640]

約数ペア:

[(1, 320480640), (2, 160240320), (3, 106826880), (4, 80120160), (5, 64096128), (6, 53413440), (8, 40060080), (9, 35608960), (10, 32048064), (12, 26706720), (15, 21365376), (16, 20030040), (18, 17804480), (20, 16024032), (24, 13353360), (30, 10682688), (32, 10015020), (36, 8902240), (40, 8012016), (45, 7121792), (48, 6676680), (60, 5341344), (64, 5007510), (72, 4451120), (80, 4006008), (90, 3560896), (96, 3338340), (120, 2670672), (128, 2503755), (144, 2225560), (160, 2003004), (180, 1780448), (192, 1669170), (240, 1335336), (288, 1112780), (320, 1001502), (360, 890224), (384, 834585), (480, 667668), (576, 556390), (640, 500751), (720, 445112), (960, 333834), (1152, 278195), (1440, 222556), (1920, 166917), (2880, 111278), (5760, 55639)]