128400720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3323}}^1$

素因数の和:3369

約数の個数: 160

約数和(自身を含む): 474826752

約数和(自身を除く): 346426032

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 48, 56, 60, 69, 70, 80, 84, 92, 105, 112, 115, 120, 138, 140, 161, 168, 184, 210, 230, 240, 276, 280, 322, 336, 345, 368, 420, 460, 483, 552, 560, 644, 690, 805, 840, 920, 966, 1104, 1288, 1380, 1610, 1680, 1840, 1932, 2415, 2576, 2760, 3220, 3323, 3864, 4830, 5520, 6440, 6646, 7728, 9660, 9969, 12880, 13292, 16615, 19320, 19938, 23261, 26584, 33230, 38640, 39876, 46522, 49845, 53168, 66460, 69783, 76429, 79752, 93044, 99690, 116305, 132920, 139566, 152858, 159504, 186088, 199380, 229287, 232610, 265840, 279132, 305716, 348915, 372176, 382145, 398760, 458574, 465220, 535003, 558264, 611432, 697830, 764290, 797520, 917148, 930440, 1070006, 1116528, 1146435, 1222864, 1395660, 1528580, 1605009, 1834296, 1860880, 2140012, 2292870, 2675015, 2791320, 3057160, 3210018, 3668592, 4280024, 4585740, 5350030, 5582640, 6114320, 6420036, 8025045, 8560048, 9171480, 10700060, 12840072, 16050090, 18342960, 21400120, 25680144, 32100180, 42800240, 64200360, 128400720]

約数ペア:

[(1, 128400720), (2, 64200360), (3, 42800240), (4, 32100180), (5, 25680144), (6, 21400120), (7, 18342960), (8, 16050090), (10, 12840072), (12, 10700060), (14, 9171480), (15, 8560048), (16, 8025045), (20, 6420036), (21, 6114320), (23, 5582640), (24, 5350030), (28, 4585740), (30, 4280024), (35, 3668592), (40, 3210018), (42, 3057160), (46, 2791320), (48, 2675015), (56, 2292870), (60, 2140012), (69, 1860880), (70, 1834296), (80, 1605009), (84, 1528580), (92, 1395660), (105, 1222864), (112, 1146435), (115, 1116528), (120, 1070006), (138, 930440), (140, 917148), (161, 797520), (168, 764290), (184, 697830), (210, 611432), (230, 558264), (240, 535003), (276, 465220), (280, 458574), (322, 398760), (336, 382145), (345, 372176), (368, 348915), (420, 305716), (460, 279132), (483, 265840), (552, 232610), (560, 229287), (644, 199380), (690, 186088), (805, 159504), (840, 152858), (920, 139566), (966, 132920), (1104, 116305), (1288, 99690), (1380, 93044), (1610, 79752), (1680, 76429), (1840, 69783), (1932, 66460), (2415, 53168), (2576, 49845), (2760, 46522), (3220, 39876), (3323, 38640), (3864, 33230), (4830, 26584), (5520, 23261), (6440, 19938), (6646, 19320), (7728, 16615), (9660, 13292), (9969, 12880)]