1284893440

素因数分解:

$2^8\times 5^1\times {\mathrm{73}}^1\times {\mathrm{13751}}^1$

素因数の和:13845

約数の個数: 72

約数和(自身を含む): 3120108768

約数和(自身を除く): 1835215328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 128, 146, 160, 256, 292, 320, 365, 584, 640, 730, 1168, 1280, 1460, 2336, 2920, 4672, 5840, 9344, 11680, 13751, 18688, 23360, 27502, 46720, 55004, 68755, 93440, 110008, 137510, 220016, 275020, 440032, 550040, 880064, 1003823, 1100080, 1760128, 2007646, 2200160, 3520256, 4015292, 4400320, 5019115, 8030584, 8800640, 10038230, 16061168, 17601280, 20076460, 32122336, 40152920, 64244672, 80305840, 128489344, 160611680, 256978688, 321223360, 642446720, 1284893440]

約数ペア:

[(1, 1284893440), (2, 642446720), (4, 321223360), (5, 256978688), (8, 160611680), (10, 128489344), (16, 80305840), (20, 64244672), (32, 40152920), (40, 32122336), (64, 20076460), (73, 17601280), (80, 16061168), (128, 10038230), (146, 8800640), (160, 8030584), (256, 5019115), (292, 4400320), (320, 4015292), (365, 3520256), (584, 2200160), (640, 2007646), (730, 1760128), (1168, 1100080), (1280, 1003823), (1460, 880064), (2336, 550040), (2920, 440032), (4672, 275020), (5840, 220016), (9344, 137510), (11680, 110008), (13751, 93440), (18688, 68755), (23360, 55004), (27502, 46720)]