18642540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{373}}^1$

素因数の和:416

約数の個数: 144

約数和(自身を含む): 64465632

約数和(自身を除く): 45823092

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 49, 51, 60, 68, 70, 84, 85, 98, 102, 105, 119, 140, 147, 170, 196, 204, 210, 238, 245, 255, 294, 340, 357, 373, 420, 476, 490, 510, 588, 595, 714, 735, 746, 833, 980, 1020, 1119, 1190, 1428, 1470, 1492, 1666, 1785, 1865, 2238, 2380, 2499, 2611, 2940, 3332, 3570, 3730, 4165, 4476, 4998, 5222, 5595, 6341, 7140, 7460, 7833, 8330, 9996, 10444, 11190, 12495, 12682, 13055, 15666, 16660, 18277, 19023, 22380, 24990, 25364, 26110, 31332, 31705, 36554, 38046, 39165, 44387, 49980, 52220, 54831, 63410, 73108, 76092, 78330, 88774, 91385, 95115, 109662, 126820, 133161, 156660, 177548, 182770, 190230, 219324, 221935, 266322, 274155, 310709, 365540, 380460, 443870, 532644, 548310, 621418, 665805, 887740, 932127, 1096620, 1242836, 1331610, 1553545, 1864254, 2663220, 3107090, 3728508, 4660635, 6214180, 9321270, 18642540]

約数ペア:

[(1, 18642540), (2, 9321270), (3, 6214180), (4, 4660635), (5, 3728508), (6, 3107090), (7, 2663220), (10, 1864254), (12, 1553545), (14, 1331610), (15, 1242836), (17, 1096620), (20, 932127), (21, 887740), (28, 665805), (30, 621418), (34, 548310), (35, 532644), (42, 443870), (49, 380460), (51, 365540), (60, 310709), (68, 274155), (70, 266322), (84, 221935), (85, 219324), (98, 190230), (102, 182770), (105, 177548), (119, 156660), (140, 133161), (147, 126820), (170, 109662), (196, 95115), (204, 91385), (210, 88774), (238, 78330), (245, 76092), (255, 73108), (294, 63410), (340, 54831), (357, 52220), (373, 49980), (420, 44387), (476, 39165), (490, 38046), (510, 36554), (588, 31705), (595, 31332), (714, 26110), (735, 25364), (746, 24990), (833, 22380), (980, 19023), (1020, 18277), (1119, 16660), (1190, 15666), (1428, 13055), (1470, 12682), (1492, 12495), (1666, 11190), (1785, 10444), (1865, 9996), (2238, 8330), (2380, 7833), (2499, 7460), (2611, 7140), (2940, 6341), (3332, 5595), (3570, 5222), (3730, 4998), (4165, 4476)]