12910040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:133

約数の個数: 128

約数和(自身を含む): 35622720

約数和(自身を除く): 22712680

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 37, 40, 44, 52, 55, 61, 65, 74, 88, 104, 110, 122, 130, 143, 148, 185, 220, 244, 260, 286, 296, 305, 370, 407, 440, 481, 488, 520, 572, 610, 671, 715, 740, 793, 814, 962, 1144, 1220, 1342, 1430, 1480, 1586, 1628, 1924, 2035, 2257, 2405, 2440, 2684, 2860, 3172, 3256, 3355, 3848, 3965, 4070, 4514, 4810, 5291, 5368, 5720, 6344, 6710, 7930, 8140, 8723, 9028, 9620, 10582, 11285, 13420, 15860, 16280, 17446, 18056, 19240, 21164, 22570, 24827, 26455, 26840, 29341, 31720, 34892, 42328, 43615, 45140, 49654, 52910, 58682, 69784, 87230, 90280, 99308, 105820, 117364, 124135, 146705, 174460, 198616, 211640, 234728, 248270, 293410, 322751, 348920, 496540, 586820, 645502, 993080, 1173640, 1291004, 1613755, 2582008, 3227510, 6455020, 12910040]

約数ペア:

[(1, 12910040), (2, 6455020), (4, 3227510), (5, 2582008), (8, 1613755), (10, 1291004), (11, 1173640), (13, 993080), (20, 645502), (22, 586820), (26, 496540), (37, 348920), (40, 322751), (44, 293410), (52, 248270), (55, 234728), (61, 211640), (65, 198616), (74, 174460), (88, 146705), (104, 124135), (110, 117364), (122, 105820), (130, 99308), (143, 90280), (148, 87230), (185, 69784), (220, 58682), (244, 52910), (260, 49654), (286, 45140), (296, 43615), (305, 42328), (370, 34892), (407, 31720), (440, 29341), (481, 26840), (488, 26455), (520, 24827), (572, 22570), (610, 21164), (671, 19240), (715, 18056), (740, 17446), (793, 16280), (814, 15860), (962, 13420), (1144, 11285), (1220, 10582), (1342, 9620), (1430, 9028), (1480, 8723), (1586, 8140), (1628, 7930), (1924, 6710), (2035, 6344), (2257, 5720), (2405, 5368), (2440, 5291), (2684, 4810), (2860, 4514), (3172, 4070), (3256, 3965), (3355, 3848)]