28931539140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{22961539}}^1$

素因数の和:22961561

約数の個数: 72

約数和(自身を含む): 100296006720

約数和(自身を除く): 71364467580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 22961539, 45923078, 68884617, 91846156, 114807695, 137769234, 160730773, 206653851, 229615390, 275538468, 321461546, 344423085, 413307702, 459230780, 482192319, 642923092, 688846170, 803653865, 826615404, 964384638, 1033269255, 1377692340, 1446576957, 1607307730, 1928769276, 2066538510, 2410961595, 2893153914, 3214615460, 4133077020, 4821923190, 5786307828, 7232884785, 9643846380, 14465769570, 28931539140]

約数ペア:

[(1, 28931539140), (2, 14465769570), (3, 9643846380), (4, 7232884785), (5, 5786307828), (6, 4821923190), (7, 4133077020), (9, 3214615460), (10, 2893153914), (12, 2410961595), (14, 2066538510), (15, 1928769276), (18, 1607307730), (20, 1446576957), (21, 1377692340), (28, 1033269255), (30, 964384638), (35, 826615404), (36, 803653865), (42, 688846170), (45, 642923092), (60, 482192319), (63, 459230780), (70, 413307702), (84, 344423085), (90, 321461546), (105, 275538468), (126, 229615390), (140, 206653851), (180, 160730773), (210, 137769234), (252, 114807695), (315, 91846156), (420, 68884617), (630, 45923078), (1260, 22961539)]