84805280

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{373}}^1$

素因数の和:431

約数の個数: 144

約数和(自身を含む): 241746120

約数和(自身を除く): 156940840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 49, 56, 58, 70, 80, 98, 112, 116, 140, 145, 160, 196, 203, 224, 232, 245, 280, 290, 373, 392, 406, 464, 490, 560, 580, 746, 784, 812, 928, 980, 1015, 1120, 1160, 1421, 1492, 1568, 1624, 1865, 1960, 2030, 2320, 2611, 2842, 2984, 3248, 3730, 3920, 4060, 4640, 5222, 5684, 5968, 6496, 7105, 7460, 7840, 8120, 10444, 10817, 11368, 11936, 13055, 14210, 14920, 16240, 18277, 20888, 21634, 22736, 26110, 28420, 29840, 32480, 36554, 41776, 43268, 45472, 52220, 54085, 56840, 59680, 73108, 75719, 83552, 86536, 91385, 104440, 108170, 113680, 146216, 151438, 173072, 182770, 208880, 216340, 227360, 292432, 302876, 346144, 365540, 378595, 417760, 432680, 530033, 584864, 605752, 731080, 757190, 865360, 1060066, 1211504, 1462160, 1514380, 1730720, 2120132, 2423008, 2650165, 2924320, 3028760, 4240264, 5300330, 6057520, 8480528, 10600660, 12115040, 16961056, 21201320, 42402640, 84805280]

約数ペア:

[(1, 84805280), (2, 42402640), (4, 21201320), (5, 16961056), (7, 12115040), (8, 10600660), (10, 8480528), (14, 6057520), (16, 5300330), (20, 4240264), (28, 3028760), (29, 2924320), (32, 2650165), (35, 2423008), (40, 2120132), (49, 1730720), (56, 1514380), (58, 1462160), (70, 1211504), (80, 1060066), (98, 865360), (112, 757190), (116, 731080), (140, 605752), (145, 584864), (160, 530033), (196, 432680), (203, 417760), (224, 378595), (232, 365540), (245, 346144), (280, 302876), (290, 292432), (373, 227360), (392, 216340), (406, 208880), (464, 182770), (490, 173072), (560, 151438), (580, 146216), (746, 113680), (784, 108170), (812, 104440), (928, 91385), (980, 86536), (1015, 83552), (1120, 75719), (1160, 73108), (1421, 59680), (1492, 56840), (1568, 54085), (1624, 52220), (1865, 45472), (1960, 43268), (2030, 41776), (2320, 36554), (2611, 32480), (2842, 29840), (2984, 28420), (3248, 26110), (3730, 22736), (3920, 21634), (4060, 20888), (4640, 18277), (5222, 16240), (5684, 14920), (5968, 14210), (6496, 13055), (7105, 11936), (7460, 11368), (7840, 10817), (8120, 10444)]