640563120

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{296557}}^1$

素因数の和:296579

約数の個数: 80

約数和(自身を含む): 2206391520

約数和(自身を除く): 1565828400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 296557, 593114, 889671, 1186228, 1482785, 1779342, 2372456, 2669013, 2965570, 3558684, 4448355, 4744912, 5338026, 5931140, 7117368, 8007039, 8896710, 10676052, 11862280, 13345065, 14234736, 16014078, 17793420, 21352104, 23724560, 26690130, 32028156, 35586840, 40035195, 42704208, 53380260, 64056312, 71173680, 80070390, 106760520, 128112624, 160140780, 213521040, 320281560, 640563120]

約数ペア:

[(1, 640563120), (2, 320281560), (3, 213521040), (4, 160140780), (5, 128112624), (6, 106760520), (8, 80070390), (9, 71173680), (10, 64056312), (12, 53380260), (15, 42704208), (16, 40035195), (18, 35586840), (20, 32028156), (24, 26690130), (27, 23724560), (30, 21352104), (36, 17793420), (40, 16014078), (45, 14234736), (48, 13345065), (54, 11862280), (60, 10676052), (72, 8896710), (80, 8007039), (90, 7117368), (108, 5931140), (120, 5338026), (135, 4744912), (144, 4448355), (180, 3558684), (216, 2965570), (240, 2669013), (270, 2372456), (360, 1779342), (432, 1482785), (540, 1186228), (720, 889671), (1080, 593114), (2160, 296557)]