68824980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{54623}}^1$

素因数の和:54645

約数の個数: 72

約数和(自身を含む): 238597632

約数和(自身を除く): 169772652

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 54623, 109246, 163869, 218492, 273115, 327738, 382361, 491607, 546230, 655476, 764722, 819345, 983214, 1092460, 1147083, 1529444, 1638690, 1911805, 1966428, 2294166, 2458035, 3277380, 3441249, 3823610, 4588332, 4916070, 5735415, 6882498, 7647220, 9832140, 11470830, 13764996, 17206245, 22941660, 34412490, 68824980]

約数ペア:

[(1, 68824980), (2, 34412490), (3, 22941660), (4, 17206245), (5, 13764996), (6, 11470830), (7, 9832140), (9, 7647220), (10, 6882498), (12, 5735415), (14, 4916070), (15, 4588332), (18, 3823610), (20, 3441249), (21, 3277380), (28, 2458035), (30, 2294166), (35, 1966428), (36, 1911805), (42, 1638690), (45, 1529444), (60, 1147083), (63, 1092460), (70, 983214), (84, 819345), (90, 764722), (105, 655476), (126, 546230), (140, 491607), (180, 382361), (210, 327738), (252, 273115), (315, 218492), (420, 163869), (630, 109246), (1260, 54623)]