680158920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{3631}}^1$

素因数の和:3875

約数の個数: 128

約数和(自身を含む): 2343075840

約数和(自身を除く): 1662916920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 223, 280, 420, 446, 669, 840, 892, 1115, 1338, 1561, 1784, 2230, 2676, 3122, 3345, 3631, 4460, 4683, 5352, 6244, 6690, 7262, 7805, 8920, 9366, 10893, 12488, 13380, 14524, 15610, 18155, 18732, 21786, 23415, 25417, 26760, 29048, 31220, 36310, 37464, 43572, 46830, 50834, 54465, 62440, 72620, 76251, 87144, 93660, 101668, 108930, 127085, 145240, 152502, 187320, 203336, 217860, 254170, 305004, 381255, 435720, 508340, 610008, 762510, 809713, 1016680, 1525020, 1619426, 2429139, 3050040, 3238852, 4048565, 4858278, 5667991, 6477704, 8097130, 9716556, 11335982, 12145695, 16194260, 17003973, 19433112, 22671964, 24291390, 28339955, 32388520, 34007946, 45343928, 48582780, 56679910, 68015892, 85019865, 97165560, 113359820, 136031784, 170039730, 226719640, 340079460, 680158920]

約数ペア:

[(1, 680158920), (2, 340079460), (3, 226719640), (4, 170039730), (5, 136031784), (6, 113359820), (7, 97165560), (8, 85019865), (10, 68015892), (12, 56679910), (14, 48582780), (15, 45343928), (20, 34007946), (21, 32388520), (24, 28339955), (28, 24291390), (30, 22671964), (35, 19433112), (40, 17003973), (42, 16194260), (56, 12145695), (60, 11335982), (70, 9716556), (84, 8097130), (105, 6477704), (120, 5667991), (140, 4858278), (168, 4048565), (210, 3238852), (223, 3050040), (280, 2429139), (420, 1619426), (446, 1525020), (669, 1016680), (840, 809713), (892, 762510), (1115, 610008), (1338, 508340), (1561, 435720), (1784, 381255), (2230, 305004), (2676, 254170), (3122, 217860), (3345, 203336), (3631, 187320), (4460, 152502), (4683, 145240), (5352, 127085), (6244, 108930), (6690, 101668), (7262, 93660), (7805, 87144), (8920, 76251), (9366, 72620), (10893, 62440), (12488, 54465), (13380, 50834), (14524, 46830), (15610, 43572), (18155, 37464), (18732, 36310), (21786, 31220), (23415, 29048), (25417, 26760)]