8038620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:140

約数の個数: 144

約数和(自身を含む): 26889408

約数和(自身を除く): 18850788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 37, 45, 51, 60, 68, 71, 74, 85, 90, 102, 111, 142, 148, 153, 170, 180, 185, 204, 213, 222, 255, 284, 306, 333, 340, 355, 370, 426, 444, 510, 555, 612, 629, 639, 666, 710, 740, 765, 852, 1020, 1065, 1110, 1207, 1258, 1278, 1332, 1420, 1530, 1665, 1887, 2130, 2220, 2414, 2516, 2556, 2627, 3060, 3145, 3195, 3330, 3621, 3774, 4260, 4828, 5254, 5661, 6035, 6290, 6390, 6660, 7242, 7548, 7881, 9435, 10508, 10863, 11322, 12070, 12580, 12780, 13135, 14484, 15762, 18105, 18870, 21726, 22644, 23643, 24140, 26270, 28305, 31524, 36210, 37740, 39405, 43452, 44659, 47286, 52540, 54315, 56610, 72420, 78810, 89318, 94572, 108630, 113220, 118215, 133977, 157620, 178636, 217260, 223295, 236430, 267954, 401931, 446590, 472860, 535908, 669885, 803862, 893180, 1339770, 1607724, 2009655, 2679540, 4019310, 8038620]

約数ペア:

[(1, 8038620), (2, 4019310), (3, 2679540), (4, 2009655), (5, 1607724), (6, 1339770), (9, 893180), (10, 803862), (12, 669885), (15, 535908), (17, 472860), (18, 446590), (20, 401931), (30, 267954), (34, 236430), (36, 223295), (37, 217260), (45, 178636), (51, 157620), (60, 133977), (68, 118215), (71, 113220), (74, 108630), (85, 94572), (90, 89318), (102, 78810), (111, 72420), (142, 56610), (148, 54315), (153, 52540), (170, 47286), (180, 44659), (185, 43452), (204, 39405), (213, 37740), (222, 36210), (255, 31524), (284, 28305), (306, 26270), (333, 24140), (340, 23643), (355, 22644), (370, 21726), (426, 18870), (444, 18105), (510, 15762), (555, 14484), (612, 13135), (629, 12780), (639, 12580), (666, 12070), (710, 11322), (740, 10863), (765, 10508), (852, 9435), (1020, 7881), (1065, 7548), (1110, 7242), (1207, 6660), (1258, 6390), (1278, 6290), (1332, 6035), (1420, 5661), (1530, 5254), (1665, 4828), (1887, 4260), (2130, 3774), (2220, 3621), (2414, 3330), (2516, 3195), (2556, 3145), (2627, 3060)]