205631680

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1091}}^1$

素因数の和:1158

約数の個数: 112

約数和(自身を含む): 532546560

約数和(自身を除く): 326914880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 152, 155, 160, 190, 248, 304, 310, 320, 380, 496, 589, 608, 620, 760, 992, 1091, 1178, 1216, 1240, 1520, 1984, 2182, 2356, 2480, 2945, 3040, 4364, 4712, 4960, 5455, 5890, 6080, 8728, 9424, 9920, 10910, 11780, 17456, 18848, 20729, 21820, 23560, 33821, 34912, 37696, 41458, 43640, 47120, 67642, 69824, 82916, 87280, 94240, 103645, 135284, 165832, 169105, 174560, 188480, 207290, 270568, 331664, 338210, 349120, 414580, 541136, 642599, 663328, 676420, 829160, 1082272, 1285198, 1326656, 1352840, 1658320, 2164544, 2570396, 2705680, 3212995, 3316640, 5140792, 5411360, 6425990, 6633280, 10281584, 10822720, 12851980, 20563168, 25703960, 41126336, 51407920, 102815840, 205631680]

約数ペア:

[(1, 205631680), (2, 102815840), (4, 51407920), (5, 41126336), (8, 25703960), (10, 20563168), (16, 12851980), (19, 10822720), (20, 10281584), (31, 6633280), (32, 6425990), (38, 5411360), (40, 5140792), (62, 3316640), (64, 3212995), (76, 2705680), (80, 2570396), (95, 2164544), (124, 1658320), (152, 1352840), (155, 1326656), (160, 1285198), (190, 1082272), (248, 829160), (304, 676420), (310, 663328), (320, 642599), (380, 541136), (496, 414580), (589, 349120), (608, 338210), (620, 331664), (760, 270568), (992, 207290), (1091, 188480), (1178, 174560), (1216, 169105), (1240, 165832), (1520, 135284), (1984, 103645), (2182, 94240), (2356, 87280), (2480, 82916), (2945, 69824), (3040, 67642), (4364, 47120), (4712, 43640), (4960, 41458), (5455, 37696), (5890, 34912), (6080, 33821), (8728, 23560), (9424, 21820), (9920, 20729), (10910, 18848), (11780, 17456)]