220765860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{175211}}^1$

素因数の和:175233

約数の個数: 72

約数和(自身を含む): 765326016

約数和(自身を除く): 544560156

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 175211, 350422, 525633, 700844, 876055, 1051266, 1226477, 1576899, 1752110, 2102532, 2452954, 2628165, 3153798, 3504220, 3679431, 4905908, 5256330, 6132385, 6307596, 7358862, 7884495, 10512660, 11038293, 12264770, 14717724, 15768990, 18397155, 22076586, 24529540, 31537980, 36794310, 44153172, 55191465, 73588620, 110382930, 220765860]

約数ペア:

[(1, 220765860), (2, 110382930), (3, 73588620), (4, 55191465), (5, 44153172), (6, 36794310), (7, 31537980), (9, 24529540), (10, 22076586), (12, 18397155), (14, 15768990), (15, 14717724), (18, 12264770), (20, 11038293), (21, 10512660), (28, 7884495), (30, 7358862), (35, 6307596), (36, 6132385), (42, 5256330), (45, 4905908), (60, 3679431), (63, 3504220), (70, 3153798), (84, 2628165), (90, 2452954), (105, 2102532), (126, 1752110), (140, 1576899), (180, 1226477), (210, 1051266), (252, 876055), (315, 700844), (420, 525633), (630, 350422), (1260, 175211)]