8146740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{163}}^1$

素因数の和:206

約数の個数: 144

約数和(自身を含む): 28268352

約数和(自身を除く): 20121612

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, 163, 170, 196, 204, 210, 238, 245, 255, 294, 326, 340, 357, 420, 476, 489, 490, 510, 588, 595, 652, 714, 735, 815, 833, 978, 980, 1020, 1141, 1190, 1428, 1470, 1630, 1666, 1785, 1956, 2282, 2380, 2445, 2499, 2771, 2940, 3260, 3332, 3423, 3570, 4165, 4564, 4890, 4998, 5542, 5705, 6846, 7140, 7987, 8313, 8330, 9780, 9996, 11084, 11410, 12495, 13692, 13855, 15974, 16626, 16660, 17115, 19397, 22820, 23961, 24990, 27710, 31948, 33252, 34230, 38794, 39935, 41565, 47922, 49980, 55420, 58191, 68460, 77588, 79870, 83130, 95844, 96985, 116382, 119805, 135779, 159740, 166260, 193970, 232764, 239610, 271558, 290955, 387940, 407337, 479220, 543116, 581910, 678895, 814674, 1163820, 1357790, 1629348, 2036685, 2715580, 4073370, 8146740]

約数ペア:

[(1, 8146740), (2, 4073370), (3, 2715580), (4, 2036685), (5, 1629348), (6, 1357790), (7, 1163820), (10, 814674), (12, 678895), (14, 581910), (15, 543116), (17, 479220), (20, 407337), (21, 387940), (28, 290955), (30, 271558), (34, 239610), (35, 232764), (42, 193970), (49, 166260), (51, 159740), (60, 135779), (68, 119805), (70, 116382), (84, 96985), (85, 95844), (98, 83130), (102, 79870), (105, 77588), (119, 68460), (140, 58191), (147, 55420), (163, 49980), (170, 47922), (196, 41565), (204, 39935), (210, 38794), (238, 34230), (245, 33252), (255, 31948), (294, 27710), (326, 24990), (340, 23961), (357, 22820), (420, 19397), (476, 17115), (489, 16660), (490, 16626), (510, 15974), (588, 13855), (595, 13692), (652, 12495), (714, 11410), (735, 11084), (815, 9996), (833, 9780), (978, 8330), (980, 8313), (1020, 7987), (1141, 7140), (1190, 6846), (1428, 5705), (1470, 5542), (1630, 4998), (1666, 4890), (1785, 4564), (1956, 4165), (2282, 3570), (2380, 3423), (2445, 3332), (2499, 3260), (2771, 2940)]