88128040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:144

約数の個数: 256

約数和(自身を含む): 278691840

約数和(自身を除く): 190563800

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 31, 35, 40, 44, 52, 55, 56, 62, 65, 70, 71, 77, 88, 91, 104, 110, 124, 130, 140, 142, 143, 154, 155, 182, 217, 220, 248, 260, 280, 284, 286, 308, 310, 341, 355, 364, 385, 403, 434, 440, 455, 497, 520, 568, 572, 616, 620, 682, 710, 715, 728, 770, 781, 806, 868, 910, 923, 994, 1001, 1085, 1144, 1240, 1364, 1420, 1430, 1540, 1562, 1612, 1705, 1736, 1820, 1846, 1988, 2002, 2015, 2170, 2201, 2387, 2485, 2728, 2821, 2840, 2860, 3080, 3124, 3224, 3410, 3640, 3692, 3905, 3976, 4004, 4030, 4340, 4402, 4433, 4615, 4774, 4970, 5005, 5467, 5642, 5720, 6248, 6461, 6820, 7384, 7810, 8008, 8060, 8680, 8804, 8866, 9230, 9548, 9940, 10010, 10153, 10934, 11005, 11284, 11935, 12922, 13640, 14105, 15407, 15620, 16120, 17608, 17732, 18460, 19096, 19880, 20020, 20306, 21868, 22010, 22165, 22568, 23870, 24211, 25844, 27335, 28210, 28613, 30814, 31031, 31240, 32305, 35464, 36920, 40040, 40612, 43736, 44020, 44330, 47740, 48422, 50765, 51688, 54670, 56420, 57226, 61628, 62062, 64610, 71071, 77035, 81224, 88040, 88660, 95480, 96844, 101530, 109340, 112840, 114452, 121055, 123256, 124124, 129220, 142142, 143065, 154070, 155155, 169477, 177320, 193688, 200291, 203060, 218680, 228904, 242110, 248248, 258440, 284284, 286130, 308140, 310310, 314743, 338954, 355355, 400582, 406120, 484220, 568568, 572260, 616280, 620620, 629486, 677908, 710710, 801164, 847385, 968440, 1001455, 1144520, 1241240, 1258972, 1355816, 1421420, 1573715, 1602328, 1694770, 2002910, 2203201, 2517944, 2842840, 3147430, 3389540, 4005820, 4406402, 6294860, 6779080, 8011640, 8812804, 11016005, 12589720, 17625608, 22032010, 44064020, 88128040]

約数ペア:

[(1, 88128040), (2, 44064020), (4, 22032010), (5, 17625608), (7, 12589720), (8, 11016005), (10, 8812804), (11, 8011640), (13, 6779080), (14, 6294860), (20, 4406402), (22, 4005820), (26, 3389540), (28, 3147430), (31, 2842840), (35, 2517944), (40, 2203201), (44, 2002910), (52, 1694770), (55, 1602328), (56, 1573715), (62, 1421420), (65, 1355816), (70, 1258972), (71, 1241240), (77, 1144520), (88, 1001455), (91, 968440), (104, 847385), (110, 801164), (124, 710710), (130, 677908), (140, 629486), (142, 620620), (143, 616280), (154, 572260), (155, 568568), (182, 484220), (217, 406120), (220, 400582), (248, 355355), (260, 338954), (280, 314743), (284, 310310), (286, 308140), (308, 286130), (310, 284284), (341, 258440), (355, 248248), (364, 242110), (385, 228904), (403, 218680), (434, 203060), (440, 200291), (455, 193688), (497, 177320), (520, 169477), (568, 155155), (572, 154070), (616, 143065), (620, 142142), (682, 129220), (710, 124124), (715, 123256), (728, 121055), (770, 114452), (781, 112840), (806, 109340), (868, 101530), (910, 96844), (923, 95480), (994, 88660), (1001, 88040), (1085, 81224), (1144, 77035), (1240, 71071), (1364, 64610), (1420, 62062), (1430, 61628), (1540, 57226), (1562, 56420), (1612, 54670), (1705, 51688), (1736, 50765), (1820, 48422), (1846, 47740), (1988, 44330), (2002, 44020), (2015, 43736), (2170, 40612), (2201, 40040), (2387, 36920), (2485, 35464), (2728, 32305), (2821, 31240), (2840, 31031), (2860, 30814), (3080, 28613), (3124, 28210), (3224, 27335), (3410, 25844), (3640, 24211), (3692, 23870), (3905, 22568), (3976, 22165), (4004, 22010), (4030, 21868), (4340, 20306), (4402, 20020), (4433, 19880), (4615, 19096), (4774, 18460), (4970, 17732), (5005, 17608), (5467, 16120), (5642, 15620), (5720, 15407), (6248, 14105), (6461, 13640), (6820, 12922), (7384, 11935), (7810, 11284), (8008, 11005), (8060, 10934), (8680, 10153), (8804, 10010), (8866, 9940), (9230, 9548)]