23321480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:223

約数の個数: 128

約数和(自身を含む): 66528000

約数和(自身を除く): 43206520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 43, 52, 56, 65, 70, 86, 91, 104, 130, 140, 149, 172, 182, 215, 260, 280, 298, 301, 344, 364, 430, 455, 520, 559, 596, 602, 728, 745, 860, 910, 1043, 1118, 1192, 1204, 1490, 1505, 1720, 1820, 1937, 2086, 2236, 2408, 2795, 2980, 3010, 3640, 3874, 3913, 4172, 4472, 5215, 5590, 5960, 6020, 6407, 7748, 7826, 8344, 9685, 10430, 11180, 12040, 12814, 13559, 15496, 15652, 19370, 19565, 20860, 22360, 25628, 27118, 31304, 32035, 38740, 39130, 41720, 44849, 51256, 54236, 64070, 67795, 77480, 78260, 83291, 89698, 108472, 128140, 135590, 156520, 166582, 179396, 224245, 256280, 271180, 333164, 358792, 416455, 448490, 542360, 583037, 666328, 832910, 896980, 1166074, 1665820, 1793960, 2332148, 2915185, 3331640, 4664296, 5830370, 11660740, 23321480]

約数ペア:

[(1, 23321480), (2, 11660740), (4, 5830370), (5, 4664296), (7, 3331640), (8, 2915185), (10, 2332148), (13, 1793960), (14, 1665820), (20, 1166074), (26, 896980), (28, 832910), (35, 666328), (40, 583037), (43, 542360), (52, 448490), (56, 416455), (65, 358792), (70, 333164), (86, 271180), (91, 256280), (104, 224245), (130, 179396), (140, 166582), (149, 156520), (172, 135590), (182, 128140), (215, 108472), (260, 89698), (280, 83291), (298, 78260), (301, 77480), (344, 67795), (364, 64070), (430, 54236), (455, 51256), (520, 44849), (559, 41720), (596, 39130), (602, 38740), (728, 32035), (745, 31304), (860, 27118), (910, 25628), (1043, 22360), (1118, 20860), (1192, 19565), (1204, 19370), (1490, 15652), (1505, 15496), (1720, 13559), (1820, 12814), (1937, 12040), (2086, 11180), (2236, 10430), (2408, 9685), (2795, 8344), (2980, 7826), (3010, 7748), (3640, 6407), (3874, 6020), (3913, 5960), (4172, 5590), (4472, 5215)]