180215040

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{661}}^1$

素因数の和:756

約数の個数: 144

約数和(自身を含む): 584551296

約数和(自身を除く): 404336256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 71, 80, 96, 120, 128, 142, 160, 192, 213, 240, 256, 284, 320, 355, 384, 426, 480, 568, 640, 661, 710, 768, 852, 960, 1065, 1136, 1280, 1322, 1420, 1704, 1920, 1983, 2130, 2272, 2644, 2840, 3305, 3408, 3840, 3966, 4260, 4544, 5288, 5680, 6610, 6816, 7932, 8520, 9088, 9915, 10576, 11360, 13220, 13632, 15864, 17040, 18176, 19830, 21152, 22720, 26440, 27264, 31728, 34080, 39660, 42304, 45440, 46931, 52880, 54528, 63456, 68160, 79320, 84608, 90880, 93862, 105760, 126912, 136320, 140793, 158640, 169216, 187724, 211520, 234655, 253824, 272640, 281586, 317280, 375448, 423040, 469310, 507648, 563172, 634560, 703965, 750896, 846080, 938620, 1126344, 1269120, 1407930, 1501792, 1877240, 2252688, 2538240, 2815860, 3003584, 3754480, 4505376, 5631720, 6007168, 7508960, 9010752, 11263440, 12014336, 15017920, 18021504, 22526880, 30035840, 36043008, 45053760, 60071680, 90107520, 180215040]

約数ペア:

[(1, 180215040), (2, 90107520), (3, 60071680), (4, 45053760), (5, 36043008), (6, 30035840), (8, 22526880), (10, 18021504), (12, 15017920), (15, 12014336), (16, 11263440), (20, 9010752), (24, 7508960), (30, 6007168), (32, 5631720), (40, 4505376), (48, 3754480), (60, 3003584), (64, 2815860), (71, 2538240), (80, 2252688), (96, 1877240), (120, 1501792), (128, 1407930), (142, 1269120), (160, 1126344), (192, 938620), (213, 846080), (240, 750896), (256, 703965), (284, 634560), (320, 563172), (355, 507648), (384, 469310), (426, 423040), (480, 375448), (568, 317280), (640, 281586), (661, 272640), (710, 253824), (768, 234655), (852, 211520), (960, 187724), (1065, 169216), (1136, 158640), (1280, 140793), (1322, 136320), (1420, 126912), (1704, 105760), (1920, 93862), (1983, 90880), (2130, 84608), (2272, 79320), (2644, 68160), (2840, 63456), (3305, 54528), (3408, 52880), (3840, 46931), (3966, 45440), (4260, 42304), (4544, 39660), (5288, 34080), (5680, 31728), (6610, 27264), (6816, 26440), (7932, 22720), (8520, 21152), (9088, 19830), (9915, 18176), (10576, 17040), (11360, 15864), (13220, 13632)]