320475960

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{42391}}^1$

素因数の和:42418

約数の個数: 128

約数和(自身を含む): 1220889600

約数和(自身を除く): 900413640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 42391, 84782, 127173, 169564, 211955, 254346, 296737, 339128, 381519, 423910, 508692, 593474, 635865, 763038, 847820, 890211, 1017384, 1144557, 1186948, 1271730, 1483685, 1526076, 1695640, 1780422, 1907595, 2289114, 2373896, 2543460, 2670633, 2967370, 3052152, 3560844, 3815190, 4451055, 4578228, 5086920, 5341266, 5722785, 5934740, 7121688, 7630380, 8011899, 8902110, 9156456, 10682532, 11445570, 11869480, 13353165, 15260760, 16023798, 17804220, 21365064, 22891140, 26706330, 32047596, 35608440, 40059495, 45782280, 53412660, 64095192, 80118990, 106825320, 160237980, 320475960]

約数ペア:

[(1, 320475960), (2, 160237980), (3, 106825320), (4, 80118990), (5, 64095192), (6, 53412660), (7, 45782280), (8, 40059495), (9, 35608440), (10, 32047596), (12, 26706330), (14, 22891140), (15, 21365064), (18, 17804220), (20, 16023798), (21, 15260760), (24, 13353165), (27, 11869480), (28, 11445570), (30, 10682532), (35, 9156456), (36, 8902110), (40, 8011899), (42, 7630380), (45, 7121688), (54, 5934740), (56, 5722785), (60, 5341266), (63, 5086920), (70, 4578228), (72, 4451055), (84, 3815190), (90, 3560844), (105, 3052152), (108, 2967370), (120, 2670633), (126, 2543460), (135, 2373896), (140, 2289114), (168, 1907595), (180, 1780422), (189, 1695640), (210, 1526076), (216, 1483685), (252, 1271730), (270, 1186948), (280, 1144557), (315, 1017384), (360, 890211), (378, 847820), (420, 763038), (504, 635865), (540, 593474), (630, 508692), (756, 423910), (840, 381519), (945, 339128), (1080, 296737), (1260, 254346), (1512, 211955), (1890, 169564), (2520, 127173), (3780, 84782), (7560, 42391)]