551129220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{557}}^1$

素因数の和:834

約数の個数: 144

約数和(自身を含む): 1754887680

約数和(自身を除く): 1203758460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 239, 276, 345, 414, 460, 478, 557, 690, 717, 828, 956, 1035, 1114, 1195, 1380, 1434, 1671, 2070, 2151, 2228, 2390, 2785, 2868, 3342, 3585, 4140, 4302, 4780, 5013, 5497, 5570, 6684, 7170, 8355, 8604, 10026, 10755, 10994, 11140, 12811, 14340, 16491, 16710, 20052, 21510, 21988, 25065, 25622, 27485, 32982, 33420, 38433, 43020, 49473, 50130, 51244, 54970, 64055, 65964, 76866, 82455, 98946, 100260, 109940, 115299, 128110, 133123, 153732, 164910, 192165, 197892, 230598, 247365, 256220, 266246, 329820, 384330, 399369, 461196, 494730, 532492, 576495, 665615, 768660, 798738, 989460, 1152990, 1198107, 1331230, 1597476, 1996845, 2305980, 2396214, 2662460, 3061829, 3993690, 4792428, 5990535, 6123658, 7987380, 9185487, 11981070, 12247316, 15309145, 18370974, 23962140, 27556461, 30618290, 36741948, 45927435, 55112922, 61236580, 91854870, 110225844, 137782305, 183709740, 275564610, 551129220]

約数ペア:

[(1, 551129220), (2, 275564610), (3, 183709740), (4, 137782305), (5, 110225844), (6, 91854870), (9, 61236580), (10, 55112922), (12, 45927435), (15, 36741948), (18, 30618290), (20, 27556461), (23, 23962140), (30, 18370974), (36, 15309145), (45, 12247316), (46, 11981070), (60, 9185487), (69, 7987380), (90, 6123658), (92, 5990535), (115, 4792428), (138, 3993690), (180, 3061829), (207, 2662460), (230, 2396214), (239, 2305980), (276, 1996845), (345, 1597476), (414, 1331230), (460, 1198107), (478, 1152990), (557, 989460), (690, 798738), (717, 768660), (828, 665615), (956, 576495), (1035, 532492), (1114, 494730), (1195, 461196), (1380, 399369), (1434, 384330), (1671, 329820), (2070, 266246), (2151, 256220), (2228, 247365), (2390, 230598), (2785, 197892), (2868, 192165), (3342, 164910), (3585, 153732), (4140, 133123), (4302, 128110), (4780, 115299), (5013, 109940), (5497, 100260), (5570, 98946), (6684, 82455), (7170, 76866), (8355, 65964), (8604, 64055), (10026, 54970), (10755, 51244), (10994, 50130), (11140, 49473), (12811, 43020), (14340, 38433), (16491, 33420), (16710, 32982), (20052, 27485), (21510, 25622), (21988, 25065)]