85981140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{68239}}^1$

素因数の和:68261

約数の個数: 72

約数和(自身を含む): 298072320

約数和(自身を除く): 212091180

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, 68239, 136478, 204717, 272956, 341195, 409434, 477673, 614151, 682390, 818868, 955346, 1023585, 1228302, 1364780, 1433019, 1910692, 2047170, 2388365, 2456604, 2866038, 3070755, 4094340, 4299057, 4776730, 5732076, 6141510, 7165095, 8598114, 9553460, 12283020, 14330190, 17196228, 21495285, 28660380, 42990570, 85981140]

約数ペア:

[(1, 85981140), (2, 42990570), (3, 28660380), (4, 21495285), (5, 17196228), (6, 14330190), (7, 12283020), (9, 9553460), (10, 8598114), (12, 7165095), (14, 6141510), (15, 5732076), (18, 4776730), (20, 4299057), (21, 4094340), (28, 3070755), (30, 2866038), (35, 2456604), (36, 2388365), (42, 2047170), (45, 1910692), (60, 1433019), (63, 1364780), (70, 1228302), (84, 1023585), (90, 955346), (105, 818868), (126, 682390), (140, 614151), (180, 477673), (210, 409434), (252, 341195), (315, 272956), (420, 204717), (630, 136478), (1260, 68239)]