121899440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:275

約数の個数: 160

約数和(自身を含む): 333312000

約数和(自身を除く): 211412560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 31, 38, 40, 52, 62, 65, 76, 80, 95, 104, 124, 130, 152, 155, 190, 199, 208, 247, 248, 260, 304, 310, 380, 398, 403, 494, 496, 520, 589, 620, 760, 796, 806, 988, 995, 1040, 1178, 1235, 1240, 1520, 1592, 1612, 1976, 1990, 2015, 2356, 2470, 2480, 2587, 2945, 3184, 3224, 3781, 3952, 3980, 4030, 4712, 4940, 5174, 5890, 6169, 6448, 7562, 7657, 7960, 8060, 9424, 9880, 10348, 11780, 12338, 12935, 15124, 15314, 15920, 16120, 18905, 19760, 20696, 23560, 24676, 25870, 30248, 30628, 30845, 32240, 37810, 38285, 41392, 47120, 49153, 49352, 51740, 60496, 61256, 61690, 75620, 76570, 80197, 98306, 98704, 103480, 117211, 122512, 123380, 151240, 153140, 160394, 196612, 206960, 234422, 245765, 246760, 302480, 306280, 320788, 393224, 400985, 468844, 491530, 493520, 586055, 612560, 641576, 786448, 801970, 937688, 983060, 1172110, 1283152, 1523743, 1603940, 1875376, 1966120, 2344220, 3047486, 3207880, 3932240, 4688440, 6094972, 6415760, 7618715, 9376880, 12189944, 15237430, 24379888, 30474860, 60949720, 121899440]

約数ペア:

[(1, 121899440), (2, 60949720), (4, 30474860), (5, 24379888), (8, 15237430), (10, 12189944), (13, 9376880), (16, 7618715), (19, 6415760), (20, 6094972), (26, 4688440), (31, 3932240), (38, 3207880), (40, 3047486), (52, 2344220), (62, 1966120), (65, 1875376), (76, 1603940), (80, 1523743), (95, 1283152), (104, 1172110), (124, 983060), (130, 937688), (152, 801970), (155, 786448), (190, 641576), (199, 612560), (208, 586055), (247, 493520), (248, 491530), (260, 468844), (304, 400985), (310, 393224), (380, 320788), (398, 306280), (403, 302480), (494, 246760), (496, 245765), (520, 234422), (589, 206960), (620, 196612), (760, 160394), (796, 153140), (806, 151240), (988, 123380), (995, 122512), (1040, 117211), (1178, 103480), (1235, 98704), (1240, 98306), (1520, 80197), (1592, 76570), (1612, 75620), (1976, 61690), (1990, 61256), (2015, 60496), (2356, 51740), (2470, 49352), (2480, 49153), (2587, 47120), (2945, 41392), (3184, 38285), (3224, 37810), (3781, 32240), (3952, 30845), (3980, 30628), (4030, 30248), (4712, 25870), (4940, 24676), (5174, 23560), (5890, 20696), (6169, 19760), (6448, 18905), (7562, 16120), (7657, 15920), (7960, 15314), (8060, 15124), (9424, 12935), (9880, 12338), (10348, 11780)]