72818760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{86689}}^1$

素因数の和:86710

約数の個数: 64

約数和(自身を含む): 249667200

約数和(自身を除く): 176848440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 86689, 173378, 260067, 346756, 433445, 520134, 606823, 693512, 866890, 1040268, 1213646, 1300335, 1733780, 1820469, 2080536, 2427292, 2600670, 3034115, 3467560, 3640938, 4854584, 5201340, 6068230, 7281876, 9102345, 10402680, 12136460, 14563752, 18204690, 24272920, 36409380, 72818760]

約数ペア:

[(1, 72818760), (2, 36409380), (3, 24272920), (4, 18204690), (5, 14563752), (6, 12136460), (7, 10402680), (8, 9102345), (10, 7281876), (12, 6068230), (14, 5201340), (15, 4854584), (20, 3640938), (21, 3467560), (24, 3034115), (28, 2600670), (30, 2427292), (35, 2080536), (40, 1820469), (42, 1733780), (56, 1300335), (60, 1213646), (70, 1040268), (84, 866890), (105, 693512), (120, 606823), (140, 520134), (168, 433445), (210, 346756), (280, 260067), (420, 173378), (840, 86689)]