215609520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{128339}}^1$

素因数の和:128362

約数の個数: 80

約数和(自身を含む): 763879680

約数和(自身を除く): 548270160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 128339, 256678, 385017, 513356, 641695, 770034, 898373, 1026712, 1283390, 1540068, 1796746, 1925085, 2053424, 2566780, 2695119, 3080136, 3593492, 3850170, 4491865, 5133560, 5390238, 6160272, 7186984, 7700340, 8983730, 10267120, 10780476, 13475595, 14373968, 15400680, 17967460, 21560952, 26951190, 30801360, 35934920, 43121904, 53902380, 71869840, 107804760, 215609520]

約数ペア:

[(1, 215609520), (2, 107804760), (3, 71869840), (4, 53902380), (5, 43121904), (6, 35934920), (7, 30801360), (8, 26951190), (10, 21560952), (12, 17967460), (14, 15400680), (15, 14373968), (16, 13475595), (20, 10780476), (21, 10267120), (24, 8983730), (28, 7700340), (30, 7186984), (35, 6160272), (40, 5390238), (42, 5133560), (48, 4491865), (56, 3850170), (60, 3593492), (70, 3080136), (80, 2695119), (84, 2566780), (105, 2053424), (112, 1925085), (120, 1796746), (140, 1540068), (168, 1283390), (210, 1026712), (240, 898373), (280, 770034), (336, 641695), (420, 513356), (560, 385017), (840, 256678), (1680, 128339)]