81524940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2659}}^1$

素因数の和:2751

約数の個数: 96

約数和(自身を含む): 264552960

約数和(自身を除く): 183028020

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 73, 84, 105, 140, 146, 210, 219, 292, 365, 420, 438, 511, 730, 876, 1022, 1095, 1460, 1533, 2044, 2190, 2555, 2659, 3066, 4380, 5110, 5318, 6132, 7665, 7977, 10220, 10636, 13295, 15330, 15954, 18613, 26590, 30660, 31908, 37226, 39885, 53180, 55839, 74452, 79770, 93065, 111678, 159540, 186130, 194107, 223356, 279195, 372260, 388214, 558390, 582321, 776428, 970535, 1116780, 1164642, 1358749, 1941070, 2329284, 2717498, 2911605, 3882140, 4076247, 5434996, 5823210, 6793745, 8152494, 11646420, 13587490, 16304988, 20381235, 27174980, 40762470, 81524940]

約数ペア:

[(1, 81524940), (2, 40762470), (3, 27174980), (4, 20381235), (5, 16304988), (6, 13587490), (7, 11646420), (10, 8152494), (12, 6793745), (14, 5823210), (15, 5434996), (20, 4076247), (21, 3882140), (28, 2911605), (30, 2717498), (35, 2329284), (42, 1941070), (60, 1358749), (70, 1164642), (73, 1116780), (84, 970535), (105, 776428), (140, 582321), (146, 558390), (210, 388214), (219, 372260), (292, 279195), (365, 223356), (420, 194107), (438, 186130), (511, 159540), (730, 111678), (876, 93065), (1022, 79770), (1095, 74452), (1460, 55839), (1533, 53180), (2044, 39885), (2190, 37226), (2555, 31908), (2659, 30660), (3066, 26590), (4380, 18613), (5110, 15954), (5318, 15330), (6132, 13295), (7665, 10636), (7977, 10220)]