30780880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1741}}^1$

素因数の和:1784

約数の個数: 80

約数和(自身を含む): 81651024

約数和(自身を除く): 50870144

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 520, 680, 884, 1040, 1105, 1360, 1741, 1768, 2210, 3482, 3536, 4420, 6964, 8705, 8840, 13928, 17410, 17680, 22633, 27856, 29597, 34820, 45266, 59194, 69640, 90532, 113165, 118388, 139280, 147985, 181064, 226330, 236776, 295970, 362128, 384761, 452660, 473552, 591940, 769522, 905320, 1183880, 1539044, 1810640, 1923805, 2367760, 3078088, 3847610, 6156176, 7695220, 15390440, 30780880]

約数ペア:

[(1, 30780880), (2, 15390440), (4, 7695220), (5, 6156176), (8, 3847610), (10, 3078088), (13, 2367760), (16, 1923805), (17, 1810640), (20, 1539044), (26, 1183880), (34, 905320), (40, 769522), (52, 591940), (65, 473552), (68, 452660), (80, 384761), (85, 362128), (104, 295970), (130, 236776), (136, 226330), (170, 181064), (208, 147985), (221, 139280), (260, 118388), (272, 113165), (340, 90532), (442, 69640), (520, 59194), (680, 45266), (884, 34820), (1040, 29597), (1105, 27856), (1360, 22633), (1741, 17680), (1768, 17410), (2210, 13928), (3482, 8840), (3536, 8705), (4420, 6964)]