38889240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:381

約数の個数: 128

約数和(自身を含む): 127431360

約数和(自身を除く): 88542120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 97, 104, 120, 130, 156, 194, 195, 257, 260, 291, 312, 388, 390, 485, 514, 520, 582, 771, 776, 780, 970, 1028, 1164, 1261, 1285, 1455, 1542, 1560, 1940, 2056, 2328, 2522, 2570, 2910, 3084, 3341, 3783, 3855, 3880, 5044, 5140, 5820, 6168, 6305, 6682, 7566, 7710, 10023, 10088, 10280, 11640, 12610, 13364, 15132, 15420, 16705, 18915, 20046, 24929, 25220, 26728, 30264, 30840, 33410, 37830, 40092, 49858, 50115, 50440, 66820, 74787, 75660, 80184, 99716, 100230, 124645, 133640, 149574, 151320, 199432, 200460, 249290, 299148, 324077, 373935, 400920, 498580, 598296, 648154, 747870, 972231, 997160, 1296308, 1495740, 1620385, 1944462, 2592616, 2991480, 3240770, 3888924, 4861155, 6481540, 7777848, 9722310, 12963080, 19444620, 38889240]

約数ペア:

[(1, 38889240), (2, 19444620), (3, 12963080), (4, 9722310), (5, 7777848), (6, 6481540), (8, 4861155), (10, 3888924), (12, 3240770), (13, 2991480), (15, 2592616), (20, 1944462), (24, 1620385), (26, 1495740), (30, 1296308), (39, 997160), (40, 972231), (52, 747870), (60, 648154), (65, 598296), (78, 498580), (97, 400920), (104, 373935), (120, 324077), (130, 299148), (156, 249290), (194, 200460), (195, 199432), (257, 151320), (260, 149574), (291, 133640), (312, 124645), (388, 100230), (390, 99716), (485, 80184), (514, 75660), (520, 74787), (582, 66820), (771, 50440), (776, 50115), (780, 49858), (970, 40092), (1028, 37830), (1164, 33410), (1261, 30840), (1285, 30264), (1455, 26728), (1542, 25220), (1560, 24929), (1940, 20046), (2056, 18915), (2328, 16705), (2522, 15420), (2570, 15132), (2910, 13364), (3084, 12610), (3341, 11640), (3783, 10280), (3855, 10088), (3880, 10023), (5044, 7710), (5140, 7566), (5820, 6682), (6168, 6305)]