123646720

素因数分解:

$2^8\times 5^1\times {\mathrm{29}}^1\times {\mathrm{3331}}^1$

素因数の和:3381

約数の個数: 72

約数和(自身を含む): 306477360

約数和(自身を除く): 182830640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 256, 290, 320, 464, 580, 640, 928, 1160, 1280, 1856, 2320, 3331, 3712, 4640, 6662, 7424, 9280, 13324, 16655, 18560, 26648, 33310, 37120, 53296, 66620, 96599, 106592, 133240, 193198, 213184, 266480, 386396, 426368, 482995, 532960, 772792, 852736, 965990, 1065920, 1545584, 1931980, 2131840, 3091168, 3863960, 4263680, 6182336, 7727920, 12364672, 15455840, 24729344, 30911680, 61823360, 123646720]

約数ペア:

[(1, 123646720), (2, 61823360), (4, 30911680), (5, 24729344), (8, 15455840), (10, 12364672), (16, 7727920), (20, 6182336), (29, 4263680), (32, 3863960), (40, 3091168), (58, 2131840), (64, 1931980), (80, 1545584), (116, 1065920), (128, 965990), (145, 852736), (160, 772792), (232, 532960), (256, 482995), (290, 426368), (320, 386396), (464, 266480), (580, 213184), (640, 193198), (928, 133240), (1160, 106592), (1280, 96599), (1856, 66620), (2320, 53296), (3331, 37120), (3712, 33310), (4640, 26648), (6662, 18560), (7424, 16655), (9280, 13324)]