320707500

素因数分解:

$2^2\times 3^1\times 5^4\times {\mathrm{61}}^1\times {\mathrm{701}}^1$

素因数の和:789

約数の個数: 120

約数和(自身を含む): 951782832

約数和(自身を除く): 631075332

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 61, 75, 100, 122, 125, 150, 183, 244, 250, 300, 305, 366, 375, 500, 610, 625, 701, 732, 750, 915, 1220, 1250, 1402, 1500, 1525, 1830, 1875, 2103, 2500, 2804, 3050, 3505, 3660, 3750, 4206, 4575, 6100, 7010, 7500, 7625, 8412, 9150, 10515, 14020, 15250, 17525, 18300, 21030, 22875, 30500, 35050, 38125, 42060, 42761, 45750, 52575, 70100, 76250, 85522, 87625, 91500, 105150, 114375, 128283, 152500, 171044, 175250, 210300, 213805, 228750, 256566, 262875, 350500, 427610, 438125, 457500, 513132, 525750, 641415, 855220, 876250, 1051500, 1069025, 1282830, 1314375, 1752500, 2138050, 2565660, 2628750, 3207075, 4276100, 5257500, 5345125, 6414150, 10690250, 12828300, 16035375, 21380500, 26725625, 32070750, 53451250, 64141500, 80176875, 106902500, 160353750, 320707500]

約数ペア:

[(1, 320707500), (2, 160353750), (3, 106902500), (4, 80176875), (5, 64141500), (6, 53451250), (10, 32070750), (12, 26725625), (15, 21380500), (20, 16035375), (25, 12828300), (30, 10690250), (50, 6414150), (60, 5345125), (61, 5257500), (75, 4276100), (100, 3207075), (122, 2628750), (125, 2565660), (150, 2138050), (183, 1752500), (244, 1314375), (250, 1282830), (300, 1069025), (305, 1051500), (366, 876250), (375, 855220), (500, 641415), (610, 525750), (625, 513132), (701, 457500), (732, 438125), (750, 427610), (915, 350500), (1220, 262875), (1250, 256566), (1402, 228750), (1500, 213805), (1525, 210300), (1830, 175250), (1875, 171044), (2103, 152500), (2500, 128283), (2804, 114375), (3050, 105150), (3505, 91500), (3660, 87625), (3750, 85522), (4206, 76250), (4575, 70100), (6100, 52575), (7010, 45750), (7500, 42761), (7625, 42060), (8412, 38125), (9150, 35050), (10515, 30500), (14020, 22875), (15250, 21030), (17525, 18300)]