123457560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1091}}^1$

素因数の和:1169

約数の個数: 128

約数和(自身を含む): 396264960

約数和(自身を除く): 272807400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 41, 46, 60, 69, 82, 92, 115, 120, 123, 138, 164, 184, 205, 230, 246, 276, 328, 345, 410, 460, 492, 552, 615, 690, 820, 920, 943, 984, 1091, 1230, 1380, 1640, 1886, 2182, 2460, 2760, 2829, 3273, 3772, 4364, 4715, 4920, 5455, 5658, 6546, 7544, 8728, 9430, 10910, 11316, 13092, 14145, 16365, 18860, 21820, 22632, 25093, 26184, 28290, 32730, 37720, 43640, 44731, 50186, 56580, 65460, 75279, 89462, 100372, 113160, 125465, 130920, 134193, 150558, 178924, 200744, 223655, 250930, 268386, 301116, 357848, 376395, 447310, 501860, 536772, 602232, 670965, 752790, 894620, 1003720, 1028813, 1073544, 1341930, 1505580, 1789240, 2057626, 2683860, 3011160, 3086439, 4115252, 5144065, 5367720, 6172878, 8230504, 10288130, 12345756, 15432195, 20576260, 24691512, 30864390, 41152520, 61728780, 123457560]

約数ペア:

[(1, 123457560), (2, 61728780), (3, 41152520), (4, 30864390), (5, 24691512), (6, 20576260), (8, 15432195), (10, 12345756), (12, 10288130), (15, 8230504), (20, 6172878), (23, 5367720), (24, 5144065), (30, 4115252), (40, 3086439), (41, 3011160), (46, 2683860), (60, 2057626), (69, 1789240), (82, 1505580), (92, 1341930), (115, 1073544), (120, 1028813), (123, 1003720), (138, 894620), (164, 752790), (184, 670965), (205, 602232), (230, 536772), (246, 501860), (276, 447310), (328, 376395), (345, 357848), (410, 301116), (460, 268386), (492, 250930), (552, 223655), (615, 200744), (690, 178924), (820, 150558), (920, 134193), (943, 130920), (984, 125465), (1091, 113160), (1230, 100372), (1380, 89462), (1640, 75279), (1886, 65460), (2182, 56580), (2460, 50186), (2760, 44731), (2829, 43640), (3273, 37720), (3772, 32730), (4364, 28290), (4715, 26184), (4920, 25093), (5455, 22632), (5658, 21820), (6546, 18860), (7544, 16365), (8728, 14145), (9430, 13092), (10910, 11316)]