28303440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:249

約数の個数: 160

約数和(自身を含む): 97708032

約数和(自身を除く): 69404592

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, 71, 80, 88, 110, 120, 132, 142, 151, 165, 176, 213, 220, 240, 264, 284, 302, 330, 355, 426, 440, 453, 528, 568, 604, 660, 710, 755, 781, 852, 880, 906, 1065, 1136, 1208, 1320, 1420, 1510, 1562, 1661, 1704, 1812, 2130, 2265, 2343, 2416, 2640, 2840, 3020, 3124, 3322, 3408, 3624, 3905, 4260, 4530, 4686, 4983, 5680, 6040, 6248, 6644, 7248, 7810, 8305, 8520, 9060, 9372, 9966, 10721, 11715, 12080, 12496, 13288, 15620, 16610, 17040, 18120, 18744, 19932, 21442, 23430, 24915, 26576, 31240, 32163, 33220, 36240, 37488, 39864, 42884, 46860, 49830, 53605, 62480, 64326, 66440, 79728, 85768, 93720, 99660, 107210, 117931, 128652, 132880, 160815, 171536, 187440, 199320, 214420, 235862, 257304, 321630, 353793, 398640, 428840, 471724, 514608, 589655, 643260, 707586, 857680, 943448, 1179310, 1286520, 1415172, 1768965, 1886896, 2358620, 2573040, 2830344, 3537930, 4717240, 5660688, 7075860, 9434480, 14151720, 28303440]

約数ペア:

[(1, 28303440), (2, 14151720), (3, 9434480), (4, 7075860), (5, 5660688), (6, 4717240), (8, 3537930), (10, 2830344), (11, 2573040), (12, 2358620), (15, 1886896), (16, 1768965), (20, 1415172), (22, 1286520), (24, 1179310), (30, 943448), (33, 857680), (40, 707586), (44, 643260), (48, 589655), (55, 514608), (60, 471724), (66, 428840), (71, 398640), (80, 353793), (88, 321630), (110, 257304), (120, 235862), (132, 214420), (142, 199320), (151, 187440), (165, 171536), (176, 160815), (213, 132880), (220, 128652), (240, 117931), (264, 107210), (284, 99660), (302, 93720), (330, 85768), (355, 79728), (426, 66440), (440, 64326), (453, 62480), (528, 53605), (568, 49830), (604, 46860), (660, 42884), (710, 39864), (755, 37488), (781, 36240), (852, 33220), (880, 32163), (906, 31240), (1065, 26576), (1136, 24915), (1208, 23430), (1320, 21442), (1420, 19932), (1510, 18744), (1562, 18120), (1661, 17040), (1704, 16610), (1812, 15620), (2130, 13288), (2265, 12496), (2343, 12080), (2416, 11715), (2640, 10721), (2840, 9966), (3020, 9372), (3124, 9060), (3322, 8520), (3408, 8305), (3624, 7810), (3905, 7248), (4260, 6644), (4530, 6248), (4686, 6040), (4983, 5680)]