40909140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{461}}^1$

素因数の和:522

約数の個数: 144

約数和(自身を含む): 136216080

約数和(自身を除く): 95306940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 29, 30, 34, 36, 45, 51, 58, 60, 68, 85, 87, 90, 102, 116, 145, 153, 170, 174, 180, 204, 255, 261, 290, 306, 340, 348, 435, 461, 493, 510, 522, 580, 612, 765, 870, 922, 986, 1020, 1044, 1305, 1383, 1479, 1530, 1740, 1844, 1972, 2305, 2465, 2610, 2766, 2958, 3060, 4149, 4437, 4610, 4930, 5220, 5532, 5916, 6915, 7395, 7837, 8298, 8874, 9220, 9860, 13369, 13830, 14790, 15674, 16596, 17748, 20745, 22185, 23511, 26738, 27660, 29580, 31348, 39185, 40107, 41490, 44370, 47022, 53476, 66845, 70533, 78370, 80214, 82980, 88740, 94044, 117555, 120321, 133690, 141066, 156740, 160428, 200535, 227273, 235110, 240642, 267380, 282132, 352665, 401070, 454546, 470220, 481284, 601605, 681819, 705330, 802140, 909092, 1136365, 1203210, 1363638, 1410660, 2045457, 2272730, 2406420, 2727276, 3409095, 4090914, 4545460, 6818190, 8181828, 10227285, 13636380, 20454570, 40909140]

約数ペア:

[(1, 40909140), (2, 20454570), (3, 13636380), (4, 10227285), (5, 8181828), (6, 6818190), (9, 4545460), (10, 4090914), (12, 3409095), (15, 2727276), (17, 2406420), (18, 2272730), (20, 2045457), (29, 1410660), (30, 1363638), (34, 1203210), (36, 1136365), (45, 909092), (51, 802140), (58, 705330), (60, 681819), (68, 601605), (85, 481284), (87, 470220), (90, 454546), (102, 401070), (116, 352665), (145, 282132), (153, 267380), (170, 240642), (174, 235110), (180, 227273), (204, 200535), (255, 160428), (261, 156740), (290, 141066), (306, 133690), (340, 120321), (348, 117555), (435, 94044), (461, 88740), (493, 82980), (510, 80214), (522, 78370), (580, 70533), (612, 66845), (765, 53476), (870, 47022), (922, 44370), (986, 41490), (1020, 40107), (1044, 39185), (1305, 31348), (1383, 29580), (1479, 27660), (1530, 26738), (1740, 23511), (1844, 22185), (1972, 20745), (2305, 17748), (2465, 16596), (2610, 15674), (2766, 14790), (2958, 13830), (3060, 13369), (4149, 9860), (4437, 9220), (4610, 8874), (4930, 8298), (5220, 7837), (5532, 7395), (5916, 6915)]