28055760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{139}}^1$

素因数の和:213

約数の個数: 120

約数和(自身を含む): 90723360

約数和(自身を除く): 62667600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 48, 58, 60, 80, 87, 116, 120, 139, 145, 174, 232, 240, 278, 290, 348, 417, 435, 464, 556, 580, 695, 696, 834, 841, 870, 1112, 1160, 1390, 1392, 1668, 1682, 1740, 2085, 2224, 2320, 2523, 2780, 3336, 3364, 3480, 4031, 4170, 4205, 5046, 5560, 6672, 6728, 6960, 8062, 8340, 8410, 10092, 11120, 12093, 12615, 13456, 16124, 16680, 16820, 20155, 20184, 24186, 25230, 32248, 33360, 33640, 40310, 40368, 48372, 50460, 60465, 64496, 67280, 80620, 96744, 100920, 116899, 120930, 161240, 193488, 201840, 233798, 241860, 322480, 350697, 467596, 483720, 584495, 701394, 935192, 967440, 1168990, 1402788, 1753485, 1870384, 2337980, 2805576, 3506970, 4675960, 5611152, 7013940, 9351920, 14027880, 28055760]

約数ペア:

[(1, 28055760), (2, 14027880), (3, 9351920), (4, 7013940), (5, 5611152), (6, 4675960), (8, 3506970), (10, 2805576), (12, 2337980), (15, 1870384), (16, 1753485), (20, 1402788), (24, 1168990), (29, 967440), (30, 935192), (40, 701394), (48, 584495), (58, 483720), (60, 467596), (80, 350697), (87, 322480), (116, 241860), (120, 233798), (139, 201840), (145, 193488), (174, 161240), (232, 120930), (240, 116899), (278, 100920), (290, 96744), (348, 80620), (417, 67280), (435, 64496), (464, 60465), (556, 50460), (580, 48372), (695, 40368), (696, 40310), (834, 33640), (841, 33360), (870, 32248), (1112, 25230), (1160, 24186), (1390, 20184), (1392, 20155), (1668, 16820), (1682, 16680), (1740, 16124), (2085, 13456), (2224, 12615), (2320, 12093), (2523, 11120), (2780, 10092), (3336, 8410), (3364, 8340), (3480, 8062), (4031, 6960), (4170, 6728), (4205, 6672), (5046, 5560)]