1878161940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{171053}}^1$

素因数の和:171129

約数の個数: 72

約数和(自身を含む): 5790520008

約数和(自身を除く): 3912358068

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 3660, 5490, 10980, 171053, 342106, 513159, 684212, 855265, 1026318, 1539477, 1710530, 2052636, 2565795, 3078954, 3421060, 5131590, 6157908, 7697385, 10263180, 10434233, 15394770, 20868466, 30789540, 31302699, 41736932, 52171165, 62605398, 93908097, 104342330, 125210796, 156513495, 187816194, 208684660, 313026990, 375632388, 469540485, 626053980, 939080970, 1878161940]

約数ペア:

[(1, 1878161940), (2, 939080970), (3, 626053980), (4, 469540485), (5, 375632388), (6, 313026990), (9, 208684660), (10, 187816194), (12, 156513495), (15, 125210796), (18, 104342330), (20, 93908097), (30, 62605398), (36, 52171165), (45, 41736932), (60, 31302699), (61, 30789540), (90, 20868466), (122, 15394770), (180, 10434233), (183, 10263180), (244, 7697385), (305, 6157908), (366, 5131590), (549, 3421060), (610, 3078954), (732, 2565795), (915, 2052636), (1098, 1710530), (1220, 1539477), (1830, 1026318), (2196, 855265), (2745, 684212), (3660, 513159), (5490, 342106), (10980, 171053)]