18021840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1231}}^1$

素因数の和:1308

約数の個数: 80

約数和(自身を含む): 56829696

約数和(自身を除く): 38807856

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 61, 80, 120, 122, 183, 240, 244, 305, 366, 488, 610, 732, 915, 976, 1220, 1231, 1464, 1830, 2440, 2462, 2928, 3660, 3693, 4880, 4924, 6155, 7320, 7386, 9848, 12310, 14640, 14772, 18465, 19696, 24620, 29544, 36930, 49240, 59088, 73860, 75091, 98480, 147720, 150182, 225273, 295440, 300364, 375455, 450546, 600728, 750910, 901092, 1126365, 1201456, 1501820, 1802184, 2252730, 3003640, 3604368, 4505460, 6007280, 9010920, 18021840]

約数ペア:

[(1, 18021840), (2, 9010920), (3, 6007280), (4, 4505460), (5, 3604368), (6, 3003640), (8, 2252730), (10, 1802184), (12, 1501820), (15, 1201456), (16, 1126365), (20, 901092), (24, 750910), (30, 600728), (40, 450546), (48, 375455), (60, 300364), (61, 295440), (80, 225273), (120, 150182), (122, 147720), (183, 98480), (240, 75091), (244, 73860), (305, 59088), (366, 49240), (488, 36930), (610, 29544), (732, 24620), (915, 19696), (976, 18465), (1220, 14772), (1231, 14640), (1464, 12310), (1830, 9848), (2440, 7386), (2462, 7320), (2928, 6155), (3660, 4924), (3693, 4880)]