40721655

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{379}}^1$

素因数の和:448

約数の個数: 64

約数和(自身を含む): 76608000

約数和(自身を除く): 35886345

約数列:

[1, 3, 5, 13, 15, 19, 29, 39, 57, 65, 87, 95, 145, 195, 247, 285, 377, 379, 435, 551, 741, 1131, 1137, 1235, 1653, 1885, 1895, 2755, 3705, 4927, 5655, 5685, 7163, 7201, 8265, 10991, 14781, 21489, 21603, 24635, 32973, 35815, 36005, 54955, 73905, 93613, 107445, 108015, 142883, 164865, 208829, 280839, 428649, 468065, 626487, 714415, 1044145, 1404195, 2143245, 2714777, 3132435, 8144331, 13573885, 40721655]

約数ペア:

[(1, 40721655), (3, 13573885), (5, 8144331), (13, 3132435), (15, 2714777), (19, 2143245), (29, 1404195), (39, 1044145), (57, 714415), (65, 626487), (87, 468065), (95, 428649), (145, 280839), (195, 208829), (247, 164865), (285, 142883), (377, 108015), (379, 107445), (435, 93613), (551, 73905), (741, 54955), (1131, 36005), (1137, 35815), (1235, 32973), (1653, 24635), (1885, 21603), (1895, 21489), (2755, 14781), (3705, 10991), (4927, 8265), (5655, 7201), (5685, 7163)]