28269840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1931}}^1$

素因数の和:2008

約数の個数: 80

約数和(自身を含む): 89119296

約数和(自身を除く): 60849456

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, 1464, 1830, 1931, 2440, 2928, 3660, 3862, 4880, 5793, 7320, 7724, 9655, 11586, 14640, 15448, 19310, 23172, 28965, 30896, 38620, 46344, 57930, 77240, 92688, 115860, 117791, 154480, 231720, 235582, 353373, 463440, 471164, 588955, 706746, 942328, 1177910, 1413492, 1766865, 1884656, 2355820, 2826984, 3533730, 4711640, 5653968, 7067460, 9423280, 14134920, 28269840]

約数ペア:

[(1, 28269840), (2, 14134920), (3, 9423280), (4, 7067460), (5, 5653968), (6, 4711640), (8, 3533730), (10, 2826984), (12, 2355820), (15, 1884656), (16, 1766865), (20, 1413492), (24, 1177910), (30, 942328), (40, 706746), (48, 588955), (60, 471164), (61, 463440), (80, 353373), (120, 235582), (122, 231720), (183, 154480), (240, 117791), (244, 115860), (305, 92688), (366, 77240), (488, 57930), (610, 46344), (732, 38620), (915, 30896), (976, 28965), (1220, 23172), (1464, 19310), (1830, 15448), (1931, 14640), (2440, 11586), (2928, 9655), (3660, 7724), (3862, 7320), (4880, 5793)]