31398570

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{449}}^1$

素因数の和:509

約数の個数: 128

約数和(自身を含む): 98496000

約数和(自身を除く): 67097430

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 37, 42, 45, 54, 63, 70, 74, 90, 105, 111, 126, 135, 185, 189, 210, 222, 259, 270, 315, 333, 370, 378, 449, 518, 555, 630, 666, 777, 898, 945, 999, 1110, 1295, 1347, 1554, 1665, 1890, 1998, 2245, 2331, 2590, 2694, 3143, 3330, 3885, 4041, 4490, 4662, 4995, 6286, 6735, 6993, 7770, 8082, 9429, 9990, 11655, 12123, 13470, 13986, 15715, 16613, 18858, 20205, 23310, 24246, 28287, 31430, 33226, 34965, 40410, 47145, 49839, 56574, 60615, 69930, 83065, 84861, 94290, 99678, 116291, 121230, 141435, 149517, 166130, 169722, 232582, 249195, 282870, 299034, 348873, 424305, 448551, 498390, 581455, 697746, 747585, 848610, 897102, 1046619, 1162910, 1495170, 1744365, 2093238, 2242755, 3139857, 3488730, 4485510, 5233095, 6279714, 10466190, 15699285, 31398570]

約数ペア:

[(1, 31398570), (2, 15699285), (3, 10466190), (5, 6279714), (6, 5233095), (7, 4485510), (9, 3488730), (10, 3139857), (14, 2242755), (15, 2093238), (18, 1744365), (21, 1495170), (27, 1162910), (30, 1046619), (35, 897102), (37, 848610), (42, 747585), (45, 697746), (54, 581455), (63, 498390), (70, 448551), (74, 424305), (90, 348873), (105, 299034), (111, 282870), (126, 249195), (135, 232582), (185, 169722), (189, 166130), (210, 149517), (222, 141435), (259, 121230), (270, 116291), (315, 99678), (333, 94290), (370, 84861), (378, 83065), (449, 69930), (518, 60615), (555, 56574), (630, 49839), (666, 47145), (777, 40410), (898, 34965), (945, 33226), (999, 31430), (1110, 28287), (1295, 24246), (1347, 23310), (1554, 20205), (1665, 18858), (1890, 16613), (1998, 15715), (2245, 13986), (2331, 13470), (2590, 12123), (2694, 11655), (3143, 9990), (3330, 9429), (3885, 8082), (4041, 7770), (4490, 6993), (4662, 6735), (4995, 6286)]