1780607220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{90203}}^1$

素因数の和:90269

約数の個数: 96

約数和(自身を含む): 5819240448

約数和(自身を除く): 4038633228

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 47, 60, 70, 84, 94, 105, 140, 141, 188, 210, 235, 282, 329, 420, 470, 564, 658, 705, 940, 987, 1316, 1410, 1645, 1974, 2820, 3290, 3948, 4935, 6580, 9870, 19740, 90203, 180406, 270609, 360812, 451015, 541218, 631421, 902030, 1082436, 1262842, 1353045, 1804060, 1894263, 2525684, 2706090, 3157105, 3788526, 4239541, 5412180, 6314210, 7577052, 8479082, 9471315, 12628420, 12718623, 16958164, 18942630, 21197705, 25437246, 29676787, 37885260, 42395410, 50874492, 59353574, 63593115, 84790820, 89030361, 118707148, 127186230, 148383935, 178060722, 254372460, 296767870, 356121444, 445151805, 593535740, 890303610, 1780607220]

約数ペア:

[(1, 1780607220), (2, 890303610), (3, 593535740), (4, 445151805), (5, 356121444), (6, 296767870), (7, 254372460), (10, 178060722), (12, 148383935), (14, 127186230), (15, 118707148), (20, 89030361), (21, 84790820), (28, 63593115), (30, 59353574), (35, 50874492), (42, 42395410), (47, 37885260), (60, 29676787), (70, 25437246), (84, 21197705), (94, 18942630), (105, 16958164), (140, 12718623), (141, 12628420), (188, 9471315), (210, 8479082), (235, 7577052), (282, 6314210), (329, 5412180), (420, 4239541), (470, 3788526), (564, 3157105), (658, 2706090), (705, 2525684), (940, 1894263), (987, 1804060), (1316, 1353045), (1410, 1262842), (1645, 1082436), (1974, 902030), (2820, 631421), (3290, 541218), (3948, 451015), (4935, 360812), (6580, 270609), (9870, 180406), (19740, 90203)]