85897980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{9739}}^1$

素因数の和:9768

約数の個数: 108

約数和(自身を含む): 303128280

約数和(自身を除く): 217230300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 9739, 19478, 29217, 38956, 48695, 58434, 68173, 87651, 97390, 116868, 136346, 146085, 175302, 194780, 204519, 272692, 292170, 340865, 350604, 409038, 438255, 477211, 584340, 613557, 681730, 818076, 876510, 954422, 1022595, 1227114, 1363460, 1431633, 1753020, 1908844, 2045190, 2386055, 2454228, 2863266, 3067785, 4090380, 4294899, 4772110, 5726532, 6135570, 7158165, 8589798, 9544220, 12271140, 14316330, 17179596, 21474495, 28632660, 42948990, 85897980]

約数ペア:

[(1, 85897980), (2, 42948990), (3, 28632660), (4, 21474495), (5, 17179596), (6, 14316330), (7, 12271140), (9, 9544220), (10, 8589798), (12, 7158165), (14, 6135570), (15, 5726532), (18, 4772110), (20, 4294899), (21, 4090380), (28, 3067785), (30, 2863266), (35, 2454228), (36, 2386055), (42, 2045190), (45, 1908844), (49, 1753020), (60, 1431633), (63, 1363460), (70, 1227114), (84, 1022595), (90, 954422), (98, 876510), (105, 818076), (126, 681730), (140, 613557), (147, 584340), (180, 477211), (196, 438255), (210, 409038), (245, 350604), (252, 340865), (294, 292170), (315, 272692), (420, 204519), (441, 194780), (490, 175302), (588, 146085), (630, 136346), (735, 116868), (882, 97390), (980, 87651), (1260, 68173), (1470, 58434), (1764, 48695), (2205, 38956), (2940, 29217), (4410, 19478), (8820, 9739)]