400122480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{877}}^1\times {\mathrm{1901}}^1$

素因数の和:2794

約数の個数: 80

約数和(自身を含む): 1242447264

約数和(自身を除く): 842324784

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 877, 1754, 1901, 2631, 3508, 3802, 4385, 5262, 5703, 7016, 7604, 8770, 9505, 10524, 11406, 13155, 14032, 15208, 17540, 19010, 21048, 22812, 26310, 28515, 30416, 35080, 38020, 42096, 45624, 52620, 57030, 70160, 76040, 91248, 105240, 114060, 152080, 210480, 228120, 456240, 1667177, 3334354, 5001531, 6668708, 8335885, 10003062, 13337416, 16671770, 20006124, 25007655, 26674832, 33343540, 40012248, 50015310, 66687080, 80024496, 100030620, 133374160, 200061240, 400122480]

約数ペア:

[(1, 400122480), (2, 200061240), (3, 133374160), (4, 100030620), (5, 80024496), (6, 66687080), (8, 50015310), (10, 40012248), (12, 33343540), (15, 26674832), (16, 25007655), (20, 20006124), (24, 16671770), (30, 13337416), (40, 10003062), (48, 8335885), (60, 6668708), (80, 5001531), (120, 3334354), (240, 1667177), (877, 456240), (1754, 228120), (1901, 210480), (2631, 152080), (3508, 114060), (3802, 105240), (4385, 91248), (5262, 76040), (5703, 70160), (7016, 57030), (7604, 52620), (8770, 45624), (9505, 42096), (10524, 38020), (11406, 35080), (13155, 30416), (14032, 28515), (15208, 26310), (17540, 22812), (19010, 21048)]