20808768480

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{2711}}^1\times {\mathrm{15991}}^1$

素因数の和:18720

約数の個数: 96

約数和(自身を含む): 65575899648

約数和(自身を除く): 44767131168

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 2711, 5422, 8133, 10844, 13555, 15991, 16266, 21688, 27110, 31982, 32532, 40665, 43376, 47973, 54220, 63964, 65064, 79955, 81330, 86752, 95946, 108440, 127928, 130128, 159910, 162660, 191892, 216880, 239865, 255856, 260256, 319820, 325320, 383784, 433760, 479730, 511712, 639640, 650640, 767568, 959460, 1279280, 1301280, 1535136, 1918920, 2558560, 3837840, 7675680, 43351601, 86703202, 130054803, 173406404, 216758005, 260109606, 346812808, 433516010, 520219212, 650274015, 693625616, 867032020, 1040438424, 1300548030, 1387251232, 1734064040, 2080876848, 2601096060, 3468128080, 4161753696, 5202192120, 6936256160, 10404384240, 20808768480]

約数ペア:

[(1, 20808768480), (2, 10404384240), (3, 6936256160), (4, 5202192120), (5, 4161753696), (6, 3468128080), (8, 2601096060), (10, 2080876848), (12, 1734064040), (15, 1387251232), (16, 1300548030), (20, 1040438424), (24, 867032020), (30, 693625616), (32, 650274015), (40, 520219212), (48, 433516010), (60, 346812808), (80, 260109606), (96, 216758005), (120, 173406404), (160, 130054803), (240, 86703202), (480, 43351601), (2711, 7675680), (5422, 3837840), (8133, 2558560), (10844, 1918920), (13555, 1535136), (15991, 1301280), (16266, 1279280), (21688, 959460), (27110, 767568), (31982, 650640), (32532, 639640), (40665, 511712), (43376, 479730), (47973, 433760), (54220, 383784), (63964, 325320), (65064, 319820), (79955, 260256), (81330, 255856), (86752, 239865), (95946, 216880), (108440, 191892), (127928, 162660), (130128, 159910)]