28828980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{271}}^1$

素因数の和:486

約数の個数: 96

約数和(自身を含む): 90478080

約数和(自身を除く): 61649100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 197, 270, 271, 394, 540, 542, 591, 788, 813, 985, 1084, 1182, 1355, 1626, 1773, 1970, 2364, 2439, 2710, 2955, 3252, 3546, 3940, 4065, 4878, 5319, 5420, 5910, 7092, 7317, 8130, 8865, 9756, 10638, 11820, 12195, 14634, 16260, 17730, 21276, 24390, 26595, 29268, 35460, 36585, 48780, 53190, 53387, 73170, 106380, 106774, 146340, 160161, 213548, 266935, 320322, 480483, 533870, 640644, 800805, 960966, 1067740, 1441449, 1601610, 1921932, 2402415, 2882898, 3203220, 4804830, 5765796, 7207245, 9609660, 14414490, 28828980]

約数ペア:

[(1, 28828980), (2, 14414490), (3, 9609660), (4, 7207245), (5, 5765796), (6, 4804830), (9, 3203220), (10, 2882898), (12, 2402415), (15, 1921932), (18, 1601610), (20, 1441449), (27, 1067740), (30, 960966), (36, 800805), (45, 640644), (54, 533870), (60, 480483), (90, 320322), (108, 266935), (135, 213548), (180, 160161), (197, 146340), (270, 106774), (271, 106380), (394, 73170), (540, 53387), (542, 53190), (591, 48780), (788, 36585), (813, 35460), (985, 29268), (1084, 26595), (1182, 24390), (1355, 21276), (1626, 17730), (1773, 16260), (1970, 14634), (2364, 12195), (2439, 11820), (2710, 10638), (2955, 9756), (3252, 8865), (3546, 8130), (3940, 7317), (4065, 7092), (4878, 5910), (5319, 5420)]