205494960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{77839}}^1$

素因数の和:77866

約数の個数: 80

約数和(自身を含む): 694955520

約数和(自身を除く): 489460560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 77839, 155678, 233517, 311356, 389195, 467034, 622712, 778390, 856229, 934068, 1167585, 1245424, 1556780, 1712458, 1868136, 2335170, 2568687, 3113560, 3424916, 3736272, 4281145, 4670340, 5137374, 6227120, 6849832, 8562290, 9340680, 10274748, 12843435, 13699664, 17124580, 18681360, 20549496, 25686870, 34249160, 41098992, 51373740, 68498320, 102747480, 205494960]

約数ペア:

[(1, 205494960), (2, 102747480), (3, 68498320), (4, 51373740), (5, 41098992), (6, 34249160), (8, 25686870), (10, 20549496), (11, 18681360), (12, 17124580), (15, 13699664), (16, 12843435), (20, 10274748), (22, 9340680), (24, 8562290), (30, 6849832), (33, 6227120), (40, 5137374), (44, 4670340), (48, 4281145), (55, 3736272), (60, 3424916), (66, 3113560), (80, 2568687), (88, 2335170), (110, 1868136), (120, 1712458), (132, 1556780), (165, 1245424), (176, 1167585), (220, 934068), (240, 856229), (264, 778390), (330, 622712), (440, 467034), (528, 389195), (660, 311356), (880, 233517), (1320, 155678), (2640, 77839)]