78451560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1801}}^1$

素因数の和:1840

約数の個数: 144

約数和(自身を含む): 280409220

約数和(自身を除く): 201957660

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 121, 132, 165, 180, 198, 220, 242, 264, 330, 360, 363, 396, 440, 484, 495, 605, 660, 726, 792, 968, 990, 1089, 1210, 1320, 1452, 1801, 1815, 1980, 2178, 2420, 2904, 3602, 3630, 3960, 4356, 4840, 5403, 5445, 7204, 7260, 8712, 9005, 10806, 10890, 14408, 14520, 16209, 18010, 19811, 21612, 21780, 27015, 32418, 36020, 39622, 43224, 43560, 54030, 59433, 64836, 72040, 79244, 81045, 99055, 108060, 118866, 129672, 158488, 162090, 178299, 198110, 216120, 217921, 237732, 297165, 324180, 356598, 396220, 435842, 475464, 594330, 648360, 653763, 713196, 792440, 871684, 891495, 1089605, 1188660, 1307526, 1426392, 1743368, 1782990, 1961289, 2179210, 2377320, 2615052, 3268815, 3565980, 3922578, 4358420, 5230104, 6537630, 7131960, 7845156, 8716840, 9806445, 13075260, 15690312, 19612890, 26150520, 39225780, 78451560]

約数ペア:

[(1, 78451560), (2, 39225780), (3, 26150520), (4, 19612890), (5, 15690312), (6, 13075260), (8, 9806445), (9, 8716840), (10, 7845156), (11, 7131960), (12, 6537630), (15, 5230104), (18, 4358420), (20, 3922578), (22, 3565980), (24, 3268815), (30, 2615052), (33, 2377320), (36, 2179210), (40, 1961289), (44, 1782990), (45, 1743368), (55, 1426392), (60, 1307526), (66, 1188660), (72, 1089605), (88, 891495), (90, 871684), (99, 792440), (110, 713196), (120, 653763), (121, 648360), (132, 594330), (165, 475464), (180, 435842), (198, 396220), (220, 356598), (242, 324180), (264, 297165), (330, 237732), (360, 217921), (363, 216120), (396, 198110), (440, 178299), (484, 162090), (495, 158488), (605, 129672), (660, 118866), (726, 108060), (792, 99055), (968, 81045), (990, 79244), (1089, 72040), (1210, 64836), (1320, 59433), (1452, 54030), (1801, 43560), (1815, 43224), (1980, 39622), (2178, 36020), (2420, 32418), (2904, 27015), (3602, 21780), (3630, 21612), (3960, 19811), (4356, 18010), (4840, 16209), (5403, 14520), (5445, 14408), (7204, 10890), (7260, 10806), (8712, 9005)]