28106760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{199}}^1$

素因数の和:331

約数の個数: 128

約数和(自身を含む): 93312000

約数和(自身を除く): 65205240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 107, 110, 120, 132, 165, 199, 214, 220, 264, 321, 330, 398, 428, 440, 535, 597, 642, 660, 796, 856, 995, 1070, 1177, 1194, 1284, 1320, 1592, 1605, 1990, 2140, 2189, 2354, 2388, 2568, 2985, 3210, 3531, 3980, 4280, 4378, 4708, 4776, 5885, 5970, 6420, 6567, 7062, 7960, 8756, 9416, 10945, 11770, 11940, 12840, 13134, 14124, 17512, 17655, 21293, 21890, 23540, 23880, 26268, 28248, 32835, 35310, 42586, 43780, 47080, 52536, 63879, 65670, 70620, 85172, 87560, 106465, 127758, 131340, 141240, 170344, 212930, 234223, 255516, 262680, 319395, 425860, 468446, 511032, 638790, 702669, 851720, 936892, 1171115, 1277580, 1405338, 1873784, 2342230, 2555160, 2810676, 3513345, 4684460, 5621352, 7026690, 9368920, 14053380, 28106760]

約数ペア:

[(1, 28106760), (2, 14053380), (3, 9368920), (4, 7026690), (5, 5621352), (6, 4684460), (8, 3513345), (10, 2810676), (11, 2555160), (12, 2342230), (15, 1873784), (20, 1405338), (22, 1277580), (24, 1171115), (30, 936892), (33, 851720), (40, 702669), (44, 638790), (55, 511032), (60, 468446), (66, 425860), (88, 319395), (107, 262680), (110, 255516), (120, 234223), (132, 212930), (165, 170344), (199, 141240), (214, 131340), (220, 127758), (264, 106465), (321, 87560), (330, 85172), (398, 70620), (428, 65670), (440, 63879), (535, 52536), (597, 47080), (642, 43780), (660, 42586), (796, 35310), (856, 32835), (995, 28248), (1070, 26268), (1177, 23880), (1194, 23540), (1284, 21890), (1320, 21293), (1592, 17655), (1605, 17512), (1990, 14124), (2140, 13134), (2189, 12840), (2354, 11940), (2388, 11770), (2568, 10945), (2985, 9416), (3210, 8756), (3531, 7960), (3980, 7062), (4280, 6567), (4378, 6420), (4708, 5970), (4776, 5885)]