121720080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26693}}^1$

素因数の和:26728

約数の個数: 80

約数和(自身を含む): 397206720

約数和(自身を除く): 275486640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4560, 26693, 53386, 80079, 106772, 133465, 160158, 213544, 266930, 320316, 400395, 427088, 507167, 533860, 640632, 800790, 1014334, 1067720, 1281264, 1521501, 1601580, 2028668, 2135440, 2535835, 3043002, 3203160, 4057336, 5071670, 6086004, 6406320, 7607505, 8114672, 10143340, 12172008, 15215010, 20286680, 24344016, 30430020, 40573360, 60860040, 121720080]

約数ペア:

[(1, 121720080), (2, 60860040), (3, 40573360), (4, 30430020), (5, 24344016), (6, 20286680), (8, 15215010), (10, 12172008), (12, 10143340), (15, 8114672), (16, 7607505), (19, 6406320), (20, 6086004), (24, 5071670), (30, 4057336), (38, 3203160), (40, 3043002), (48, 2535835), (57, 2135440), (60, 2028668), (76, 1601580), (80, 1521501), (95, 1281264), (114, 1067720), (120, 1014334), (152, 800790), (190, 640632), (228, 533860), (240, 507167), (285, 427088), (304, 400395), (380, 320316), (456, 266930), (570, 213544), (760, 160158), (912, 133465), (1140, 106772), (1520, 80079), (2280, 53386), (4560, 26693)]