78686460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:264

約数の個数: 144

約数和(自身を含む): 249080832

約数和(自身を除く): 170394372

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 71, 90, 94, 131, 141, 142, 180, 188, 213, 235, 262, 282, 284, 355, 393, 423, 426, 470, 524, 564, 639, 655, 705, 710, 786, 846, 852, 940, 1065, 1179, 1278, 1310, 1410, 1420, 1572, 1692, 1965, 2115, 2130, 2358, 2556, 2620, 2820, 3195, 3337, 3930, 4230, 4260, 4716, 5895, 6157, 6390, 6674, 7860, 8460, 9301, 10011, 11790, 12314, 12780, 13348, 16685, 18471, 18602, 20022, 23580, 24628, 27903, 30033, 30785, 33370, 36942, 37204, 40044, 46505, 50055, 55413, 55806, 60066, 61570, 66740, 73884, 83709, 92355, 93010, 100110, 110826, 111612, 120132, 123140, 139515, 150165, 167418, 184710, 186020, 200220, 221652, 277065, 279030, 300330, 334836, 369420, 418545, 437147, 554130, 558060, 600660, 837090, 874294, 1108260, 1311441, 1674180, 1748588, 2185735, 2622882, 3934323, 4371470, 5245764, 6557205, 7868646, 8742940, 13114410, 15737292, 19671615, 26228820, 39343230, 78686460]

約数ペア:

[(1, 78686460), (2, 39343230), (3, 26228820), (4, 19671615), (5, 15737292), (6, 13114410), (9, 8742940), (10, 7868646), (12, 6557205), (15, 5245764), (18, 4371470), (20, 3934323), (30, 2622882), (36, 2185735), (45, 1748588), (47, 1674180), (60, 1311441), (71, 1108260), (90, 874294), (94, 837090), (131, 600660), (141, 558060), (142, 554130), (180, 437147), (188, 418545), (213, 369420), (235, 334836), (262, 300330), (282, 279030), (284, 277065), (355, 221652), (393, 200220), (423, 186020), (426, 184710), (470, 167418), (524, 150165), (564, 139515), (639, 123140), (655, 120132), (705, 111612), (710, 110826), (786, 100110), (846, 93010), (852, 92355), (940, 83709), (1065, 73884), (1179, 66740), (1278, 61570), (1310, 60066), (1410, 55806), (1420, 55413), (1572, 50055), (1692, 46505), (1965, 40044), (2115, 37204), (2130, 36942), (2358, 33370), (2556, 30785), (2620, 30033), (2820, 27903), (3195, 24628), (3337, 23580), (3930, 20022), (4230, 18602), (4260, 18471), (4716, 16685), (5895, 13348), (6157, 12780), (6390, 12314), (6674, 11790), (7860, 10011), (8460, 9301)]