81339300

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{12911}}^1$

素因数の和:12938

約数の個数: 108

約数和(自身を含む): 291398016

約数和(自身を除く): 210058716

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 84, 90, 100, 105, 126, 140, 150, 175, 180, 210, 225, 252, 300, 315, 350, 420, 450, 525, 630, 700, 900, 1050, 1260, 1575, 2100, 3150, 6300, 12911, 25822, 38733, 51644, 64555, 77466, 90377, 116199, 129110, 154932, 180754, 193665, 232398, 258220, 271131, 322775, 361508, 387330, 451885, 464796, 542262, 580995, 645550, 774660, 813393, 903770, 968325, 1084524, 1161990, 1291100, 1355655, 1626786, 1807540, 1936650, 2259425, 2323980, 2711310, 2904975, 3253572, 3873300, 4066965, 4518850, 5422620, 5809950, 6778275, 8133930, 9037700, 11619900, 13556550, 16267860, 20334825, 27113100, 40669650, 81339300]

約数ペア:

[(1, 81339300), (2, 40669650), (3, 27113100), (4, 20334825), (5, 16267860), (6, 13556550), (7, 11619900), (9, 9037700), (10, 8133930), (12, 6778275), (14, 5809950), (15, 5422620), (18, 4518850), (20, 4066965), (21, 3873300), (25, 3253572), (28, 2904975), (30, 2711310), (35, 2323980), (36, 2259425), (42, 1936650), (45, 1807540), (50, 1626786), (60, 1355655), (63, 1291100), (70, 1161990), (75, 1084524), (84, 968325), (90, 903770), (100, 813393), (105, 774660), (126, 645550), (140, 580995), (150, 542262), (175, 464796), (180, 451885), (210, 387330), (225, 361508), (252, 322775), (300, 271131), (315, 258220), (350, 232398), (420, 193665), (450, 180754), (525, 154932), (630, 129110), (700, 116199), (900, 90377), (1050, 77466), (1260, 64555), (1575, 51644), (2100, 38733), (3150, 25822), (6300, 12911)]