87724980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{69623}}^1$

素因数の和:69645

約数の個数: 72

約数和(自身を含む): 304117632

約数和(自身を除く): 216392652

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, 69623, 139246, 208869, 278492, 348115, 417738, 487361, 626607, 696230, 835476, 974722, 1044345, 1253214, 1392460, 1462083, 1949444, 2088690, 2436805, 2506428, 2924166, 3133035, 4177380, 4386249, 4873610, 5848332, 6266070, 7310415, 8772498, 9747220, 12532140, 14620830, 17544996, 21931245, 29241660, 43862490, 87724980]

約数ペア:

[(1, 87724980), (2, 43862490), (3, 29241660), (4, 21931245), (5, 17544996), (6, 14620830), (7, 12532140), (9, 9747220), (10, 8772498), (12, 7310415), (14, 6266070), (15, 5848332), (18, 4873610), (20, 4386249), (21, 4177380), (28, 3133035), (30, 2924166), (35, 2506428), (36, 2436805), (42, 2088690), (45, 1949444), (60, 1462083), (63, 1392460), (70, 1253214), (84, 1044345), (90, 974722), (105, 835476), (126, 696230), (140, 626607), (180, 487361), (210, 417738), (252, 348115), (315, 278492), (420, 208869), (630, 139246), (1260, 69623)]