128490120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{457}}^1$

素因数の和:556

約数の個数: 192

約数和(自身を含む): 462983040

約数和(自身を除く): 334492920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 71, 72, 88, 90, 99, 110, 120, 132, 142, 165, 180, 198, 213, 220, 264, 284, 330, 355, 360, 396, 426, 440, 457, 495, 568, 639, 660, 710, 781, 792, 852, 914, 990, 1065, 1278, 1320, 1371, 1420, 1562, 1704, 1828, 1980, 2130, 2285, 2343, 2556, 2742, 2840, 3124, 3195, 3656, 3905, 3960, 4113, 4260, 4570, 4686, 5027, 5112, 5484, 6248, 6390, 6855, 7029, 7810, 8226, 8520, 9140, 9372, 10054, 10968, 11715, 12780, 13710, 14058, 15081, 15620, 16452, 18280, 18744, 20108, 20565, 23430, 25135, 25560, 27420, 28116, 30162, 31240, 32447, 32904, 35145, 40216, 41130, 45243, 46860, 50270, 54840, 56232, 60324, 64894, 70290, 75405, 82260, 90486, 93720, 97341, 100540, 120648, 129788, 140580, 150810, 162235, 164520, 180972, 194682, 201080, 226215, 259576, 281160, 292023, 301620, 324470, 356917, 361944, 389364, 452430, 486705, 584046, 603240, 648940, 713834, 778728, 904860, 973410, 1070751, 1168092, 1297880, 1427668, 1460115, 1784585, 1809720, 1946820, 2141502, 2336184, 2855336, 2920230, 3212253, 3569170, 3893640, 4283004, 5353755, 5840460, 6424506, 7138340, 8566008, 10707510, 11680920, 12849012, 14276680, 16061265, 21415020, 25698024, 32122530, 42830040, 64245060, 128490120]

約数ペア:

[(1, 128490120), (2, 64245060), (3, 42830040), (4, 32122530), (5, 25698024), (6, 21415020), (8, 16061265), (9, 14276680), (10, 12849012), (11, 11680920), (12, 10707510), (15, 8566008), (18, 7138340), (20, 6424506), (22, 5840460), (24, 5353755), (30, 4283004), (33, 3893640), (36, 3569170), (40, 3212253), (44, 2920230), (45, 2855336), (55, 2336184), (60, 2141502), (66, 1946820), (71, 1809720), (72, 1784585), (88, 1460115), (90, 1427668), (99, 1297880), (110, 1168092), (120, 1070751), (132, 973410), (142, 904860), (165, 778728), (180, 713834), (198, 648940), (213, 603240), (220, 584046), (264, 486705), (284, 452430), (330, 389364), (355, 361944), (360, 356917), (396, 324470), (426, 301620), (440, 292023), (457, 281160), (495, 259576), (568, 226215), (639, 201080), (660, 194682), (710, 180972), (781, 164520), (792, 162235), (852, 150810), (914, 140580), (990, 129788), (1065, 120648), (1278, 100540), (1320, 97341), (1371, 93720), (1420, 90486), (1562, 82260), (1704, 75405), (1828, 70290), (1980, 64894), (2130, 60324), (2285, 56232), (2343, 54840), (2556, 50270), (2742, 46860), (2840, 45243), (3124, 41130), (3195, 40216), (3656, 35145), (3905, 32904), (3960, 32447), (4113, 31240), (4260, 30162), (4570, 28116), (4686, 27420), (5027, 25560), (5112, 25135), (5484, 23430), (6248, 20565), (6390, 20108), (6855, 18744), (7029, 18280), (7810, 16452), (8226, 15620), (8520, 15081), (9140, 14058), (9372, 13710), (10054, 12780), (10968, 11715)]