661204080

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{443}}^1\times {\mathrm{691}}^1$

素因数の和:1156

約数の個数: 160

約数和(自身を含む): 2285925120

約数和(自身を除く): 1624721040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 443, 540, 691, 720, 886, 1080, 1329, 1382, 1772, 2073, 2160, 2215, 2658, 2764, 3455, 3544, 3987, 4146, 4430, 5316, 5528, 6219, 6645, 6910, 7088, 7974, 8292, 8860, 10365, 10632, 11056, 11961, 12438, 13290, 13820, 15948, 16584, 17720, 18657, 19935, 20730, 21264, 23922, 24876, 26580, 27640, 31095, 31896, 33168, 35440, 37314, 39870, 41460, 47844, 49752, 53160, 55280, 59805, 62190, 63792, 74628, 79740, 82920, 93285, 95688, 99504, 106320, 119610, 124380, 149256, 159480, 165840, 186570, 191376, 239220, 248760, 298512, 306113, 318960, 373140, 478440, 497520, 612226, 746280, 918339, 956880, 1224452, 1492560, 1530565, 1836678, 2448904, 2755017, 3061130, 3673356, 4591695, 4897808, 5510034, 6122260, 7346712, 8265051, 9183390, 11020068, 12244520, 13775085, 14693424, 16530102, 18366780, 22040136, 24489040, 27550170, 33060204, 36733560, 41325255, 44080272, 55100340, 66120408, 73467120, 82650510, 110200680, 132240816, 165301020, 220401360, 330602040, 661204080]

約数ペア:

[(1, 661204080), (2, 330602040), (3, 220401360), (4, 165301020), (5, 132240816), (6, 110200680), (8, 82650510), (9, 73467120), (10, 66120408), (12, 55100340), (15, 44080272), (16, 41325255), (18, 36733560), (20, 33060204), (24, 27550170), (27, 24489040), (30, 22040136), (36, 18366780), (40, 16530102), (45, 14693424), (48, 13775085), (54, 12244520), (60, 11020068), (72, 9183390), (80, 8265051), (90, 7346712), (108, 6122260), (120, 5510034), (135, 4897808), (144, 4591695), (180, 3673356), (216, 3061130), (240, 2755017), (270, 2448904), (360, 1836678), (432, 1530565), (443, 1492560), (540, 1224452), (691, 956880), (720, 918339), (886, 746280), (1080, 612226), (1329, 497520), (1382, 478440), (1772, 373140), (2073, 318960), (2160, 306113), (2215, 298512), (2658, 248760), (2764, 239220), (3455, 191376), (3544, 186570), (3987, 165840), (4146, 159480), (4430, 149256), (5316, 124380), (5528, 119610), (6219, 106320), (6645, 99504), (6910, 95688), (7088, 93285), (7974, 82920), (8292, 79740), (8860, 74628), (10365, 63792), (10632, 62190), (11056, 59805), (11961, 55280), (12438, 53160), (13290, 49752), (13820, 47844), (15948, 41460), (16584, 39870), (17720, 37314), (18657, 35440), (19935, 33168), (20730, 31896), (21264, 31095), (23922, 27640), (24876, 26580)]