87871140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{69739}}^1$

素因数の和:69761

約数の個数: 72

約数和(自身を含む): 304624320

約数和(自身を除く): 216753180

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, 69739, 139478, 209217, 278956, 348695, 418434, 488173, 627651, 697390, 836868, 976346, 1046085, 1255302, 1394780, 1464519, 1952692, 2092170, 2440865, 2510604, 2929038, 3138255, 4184340, 4393557, 4881730, 5858076, 6276510, 7322595, 8787114, 9763460, 12553020, 14645190, 17574228, 21967785, 29290380, 43935570, 87871140]

約数ペア:

[(1, 87871140), (2, 43935570), (3, 29290380), (4, 21967785), (5, 17574228), (6, 14645190), (7, 12553020), (9, 9763460), (10, 8787114), (12, 7322595), (14, 6276510), (15, 5858076), (18, 4881730), (20, 4393557), (21, 4184340), (28, 3138255), (30, 2929038), (35, 2510604), (36, 2440865), (42, 2092170), (45, 1952692), (60, 1464519), (63, 1394780), (70, 1255302), (84, 1046085), (90, 976346), (105, 836868), (126, 697390), (140, 627651), (180, 488173), (210, 418434), (252, 348695), (315, 278956), (420, 209217), (630, 139478), (1260, 69739)]