128619900

素因数分解:

$2^2\times 3^5\times 5^2\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:175

約数の個数: 216

約数和(自身を含む): 429694720

約数和(自身を除く): 301074820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 67, 75, 79, 81, 90, 100, 108, 134, 135, 150, 158, 162, 180, 201, 225, 237, 243, 268, 270, 300, 316, 324, 335, 395, 402, 405, 450, 474, 486, 540, 603, 670, 675, 711, 790, 804, 810, 900, 948, 972, 1005, 1185, 1206, 1215, 1340, 1350, 1422, 1580, 1620, 1675, 1809, 1975, 2010, 2025, 2133, 2370, 2412, 2430, 2700, 2844, 3015, 3350, 3555, 3618, 3950, 4020, 4050, 4266, 4740, 4860, 5025, 5293, 5427, 5925, 6030, 6075, 6399, 6700, 7110, 7236, 7900, 8100, 8532, 9045, 10050, 10586, 10665, 10854, 11850, 12060, 12150, 12798, 14220, 15075, 15879, 16281, 17775, 18090, 19197, 20100, 21172, 21330, 21708, 23700, 24300, 25596, 26465, 27135, 30150, 31758, 31995, 32562, 35550, 36180, 38394, 42660, 45225, 47637, 52930, 53325, 54270, 60300, 63516, 63990, 65124, 71100, 76788, 79395, 81405, 90450, 95274, 95985, 105860, 106650, 108540, 127980, 132325, 135675, 142911, 158790, 159975, 162810, 180900, 190548, 191970, 213300, 238185, 264650, 271350, 285822, 317580, 319950, 325620, 383940, 396975, 407025, 428733, 476370, 479925, 529300, 542700, 571644, 639900, 714555, 793950, 814050, 857466, 952740, 959850, 1190925, 1286199, 1429110, 1587900, 1628100, 1714932, 1919700, 2143665, 2381850, 2572398, 2858220, 3572775, 4287330, 4763700, 5144796, 6430995, 7145550, 8574660, 10718325, 12861990, 14291100, 21436650, 25723980, 32154975, 42873300, 64309950, 128619900]

約数ペア:

[(1, 128619900), (2, 64309950), (3, 42873300), (4, 32154975), (5, 25723980), (6, 21436650), (9, 14291100), (10, 12861990), (12, 10718325), (15, 8574660), (18, 7145550), (20, 6430995), (25, 5144796), (27, 4763700), (30, 4287330), (36, 3572775), (45, 2858220), (50, 2572398), (54, 2381850), (60, 2143665), (67, 1919700), (75, 1714932), (79, 1628100), (81, 1587900), (90, 1429110), (100, 1286199), (108, 1190925), (134, 959850), (135, 952740), (150, 857466), (158, 814050), (162, 793950), (180, 714555), (201, 639900), (225, 571644), (237, 542700), (243, 529300), (268, 479925), (270, 476370), (300, 428733), (316, 407025), (324, 396975), (335, 383940), (395, 325620), (402, 319950), (405, 317580), (450, 285822), (474, 271350), (486, 264650), (540, 238185), (603, 213300), (670, 191970), (675, 190548), (711, 180900), (790, 162810), (804, 159975), (810, 158790), (900, 142911), (948, 135675), (972, 132325), (1005, 127980), (1185, 108540), (1206, 106650), (1215, 105860), (1340, 95985), (1350, 95274), (1422, 90450), (1580, 81405), (1620, 79395), (1675, 76788), (1809, 71100), (1975, 65124), (2010, 63990), (2025, 63516), (2133, 60300), (2370, 54270), (2412, 53325), (2430, 52930), (2700, 47637), (2844, 45225), (3015, 42660), (3350, 38394), (3555, 36180), (3618, 35550), (3950, 32562), (4020, 31995), (4050, 31758), (4266, 30150), (4740, 27135), (4860, 26465), (5025, 25596), (5293, 24300), (5427, 23700), (5925, 21708), (6030, 21330), (6075, 21172), (6399, 20100), (6700, 19197), (7110, 18090), (7236, 17775), (7900, 16281), (8100, 15879), (8532, 15075), (9045, 14220), (10050, 12798), (10586, 12150), (10665, 12060), (10854, 11850)]