71187900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{311}}^1$

素因数の和:444

約数の個数: 144

約数和(自身を含む): 238318080

約数和(自身を除く): 167130180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 109, 140, 150, 175, 210, 218, 300, 311, 327, 350, 420, 436, 525, 545, 622, 654, 700, 763, 933, 1050, 1090, 1244, 1308, 1526, 1555, 1635, 1866, 2100, 2177, 2180, 2289, 2725, 3052, 3110, 3270, 3732, 3815, 4354, 4578, 4665, 5450, 6220, 6531, 6540, 7630, 7775, 8175, 8708, 9156, 9330, 10885, 10900, 11445, 13062, 15260, 15550, 16350, 18660, 19075, 21770, 22890, 23325, 26124, 31100, 32655, 32700, 33899, 38150, 43540, 45780, 46650, 54425, 57225, 65310, 67798, 76300, 93300, 101697, 108850, 114450, 130620, 135596, 163275, 169495, 203394, 217700, 228900, 237293, 326550, 338990, 406788, 474586, 508485, 653100, 677980, 711879, 847475, 949172, 1016970, 1186465, 1423758, 1694950, 2033940, 2372930, 2542425, 2847516, 3389900, 3559395, 4745860, 5084850, 5932325, 7118790, 10169700, 11864650, 14237580, 17796975, 23729300, 35593950, 71187900]

約数ペア:

[(1, 71187900), (2, 35593950), (3, 23729300), (4, 17796975), (5, 14237580), (6, 11864650), (7, 10169700), (10, 7118790), (12, 5932325), (14, 5084850), (15, 4745860), (20, 3559395), (21, 3389900), (25, 2847516), (28, 2542425), (30, 2372930), (35, 2033940), (42, 1694950), (50, 1423758), (60, 1186465), (70, 1016970), (75, 949172), (84, 847475), (100, 711879), (105, 677980), (109, 653100), (140, 508485), (150, 474586), (175, 406788), (210, 338990), (218, 326550), (300, 237293), (311, 228900), (327, 217700), (350, 203394), (420, 169495), (436, 163275), (525, 135596), (545, 130620), (622, 114450), (654, 108850), (700, 101697), (763, 93300), (933, 76300), (1050, 67798), (1090, 65310), (1244, 57225), (1308, 54425), (1526, 46650), (1555, 45780), (1635, 43540), (1866, 38150), (2100, 33899), (2177, 32700), (2180, 32655), (2289, 31100), (2725, 26124), (3052, 23325), (3110, 22890), (3270, 21770), (3732, 19075), (3815, 18660), (4354, 16350), (4578, 15550), (4665, 15260), (5450, 13062), (6220, 11445), (6531, 10900), (6540, 10885), (7630, 9330), (7775, 9156), (8175, 8708)]