19822080

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:144

約数の個数: 160

約数和(自身を含む): 66290400

約数和(自身を除く): 46468320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 32, 40, 48, 58, 60, 64, 80, 87, 89, 96, 116, 120, 128, 145, 160, 174, 178, 192, 232, 240, 256, 267, 290, 320, 348, 356, 384, 435, 445, 464, 480, 512, 534, 580, 640, 696, 712, 768, 870, 890, 928, 960, 1068, 1160, 1280, 1335, 1392, 1424, 1536, 1740, 1780, 1856, 1920, 2136, 2320, 2560, 2581, 2670, 2784, 2848, 3480, 3560, 3712, 3840, 4272, 4640, 5162, 5340, 5568, 5696, 6960, 7120, 7424, 7680, 7743, 8544, 9280, 10324, 10680, 11136, 11392, 12905, 13920, 14240, 14848, 15486, 17088, 18560, 20648, 21360, 22272, 22784, 25810, 27840, 28480, 30972, 34176, 37120, 38715, 41296, 42720, 44544, 45568, 51620, 55680, 56960, 61944, 68352, 74240, 77430, 82592, 85440, 103240, 111360, 113920, 123888, 136704, 154860, 165184, 170880, 206480, 222720, 227840, 247776, 309720, 330368, 341760, 412960, 495552, 619440, 660736, 683520, 825920, 991104, 1238880, 1321472, 1651840, 1982208, 2477760, 3303680, 3964416, 4955520, 6607360, 9911040, 19822080]

約数ペア:

[(1, 19822080), (2, 9911040), (3, 6607360), (4, 4955520), (5, 3964416), (6, 3303680), (8, 2477760), (10, 1982208), (12, 1651840), (15, 1321472), (16, 1238880), (20, 991104), (24, 825920), (29, 683520), (30, 660736), (32, 619440), (40, 495552), (48, 412960), (58, 341760), (60, 330368), (64, 309720), (80, 247776), (87, 227840), (89, 222720), (96, 206480), (116, 170880), (120, 165184), (128, 154860), (145, 136704), (160, 123888), (174, 113920), (178, 111360), (192, 103240), (232, 85440), (240, 82592), (256, 77430), (267, 74240), (290, 68352), (320, 61944), (348, 56960), (356, 55680), (384, 51620), (435, 45568), (445, 44544), (464, 42720), (480, 41296), (512, 38715), (534, 37120), (580, 34176), (640, 30972), (696, 28480), (712, 27840), (768, 25810), (870, 22784), (890, 22272), (928, 21360), (960, 20648), (1068, 18560), (1160, 17088), (1280, 15486), (1335, 14848), (1392, 14240), (1424, 13920), (1536, 12905), (1740, 11392), (1780, 11136), (1856, 10680), (1920, 10324), (2136, 9280), (2320, 8544), (2560, 7743), (2581, 7680), (2670, 7424), (2784, 7120), (2848, 6960), (3480, 5696), (3560, 5568), (3712, 5340), (3840, 5162), (4272, 4640)]