65513520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4789}}^1$

素因数の和:4827

約数の個数: 120

約数和(自身を含む): 231644400

約数和(自身を除く): 166130880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 684, 720, 760, 855, 912, 1140, 1368, 1520, 1710, 2280, 2736, 3420, 4560, 4789, 6840, 9578, 13680, 14367, 19156, 23945, 28734, 38312, 43101, 47890, 57468, 71835, 76624, 86202, 90991, 95780, 114936, 143670, 172404, 181982, 191560, 215505, 229872, 272973, 287340, 344808, 363964, 383120, 431010, 454955, 545946, 574680, 689616, 727928, 818919, 862020, 909910, 1091892, 1149360, 1364865, 1455856, 1637838, 1724040, 1819820, 2183784, 2729730, 3275676, 3448080, 3639640, 4094595, 4367568, 5459460, 6551352, 7279280, 8189190, 10918920, 13102704, 16378380, 21837840, 32756760, 65513520]

約数ペア:

[(1, 65513520), (2, 32756760), (3, 21837840), (4, 16378380), (5, 13102704), (6, 10918920), (8, 8189190), (9, 7279280), (10, 6551352), (12, 5459460), (15, 4367568), (16, 4094595), (18, 3639640), (19, 3448080), (20, 3275676), (24, 2729730), (30, 2183784), (36, 1819820), (38, 1724040), (40, 1637838), (45, 1455856), (48, 1364865), (57, 1149360), (60, 1091892), (72, 909910), (76, 862020), (80, 818919), (90, 727928), (95, 689616), (114, 574680), (120, 545946), (144, 454955), (152, 431010), (171, 383120), (180, 363964), (190, 344808), (228, 287340), (240, 272973), (285, 229872), (304, 215505), (342, 191560), (360, 181982), (380, 172404), (456, 143670), (570, 114936), (684, 95780), (720, 90991), (760, 86202), (855, 76624), (912, 71835), (1140, 57468), (1368, 47890), (1520, 43101), (1710, 38312), (2280, 28734), (2736, 23945), (3420, 19156), (4560, 14367), (4789, 13680), (6840, 9578)]