221118720

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{647}}^1$

素因数の和:760

約数の個数: 144

約数和(自身を含む): 715236480

約数和(自身を除く): 494117760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 89, 96, 120, 128, 160, 178, 192, 240, 256, 267, 320, 356, 384, 445, 480, 534, 640, 647, 712, 768, 890, 960, 1068, 1280, 1294, 1335, 1424, 1780, 1920, 1941, 2136, 2588, 2670, 2848, 3235, 3560, 3840, 3882, 4272, 5176, 5340, 5696, 6470, 7120, 7764, 8544, 9705, 10352, 10680, 11392, 12940, 14240, 15528, 17088, 19410, 20704, 21360, 22784, 25880, 28480, 31056, 34176, 38820, 41408, 42720, 51760, 56960, 57583, 62112, 68352, 77640, 82816, 85440, 103520, 113920, 115166, 124224, 155280, 165632, 170880, 172749, 207040, 230332, 248448, 287915, 310560, 341760, 345498, 414080, 460664, 496896, 575830, 621120, 690996, 828160, 863745, 921328, 1151660, 1242240, 1381992, 1727490, 1842656, 2303320, 2484480, 2763984, 3454980, 3685312, 4606640, 5527968, 6909960, 7370624, 9213280, 11055936, 13819920, 14741248, 18426560, 22111872, 27639840, 36853120, 44223744, 55279680, 73706240, 110559360, 221118720]

約数ペア:

[(1, 221118720), (2, 110559360), (3, 73706240), (4, 55279680), (5, 44223744), (6, 36853120), (8, 27639840), (10, 22111872), (12, 18426560), (15, 14741248), (16, 13819920), (20, 11055936), (24, 9213280), (30, 7370624), (32, 6909960), (40, 5527968), (48, 4606640), (60, 3685312), (64, 3454980), (80, 2763984), (89, 2484480), (96, 2303320), (120, 1842656), (128, 1727490), (160, 1381992), (178, 1242240), (192, 1151660), (240, 921328), (256, 863745), (267, 828160), (320, 690996), (356, 621120), (384, 575830), (445, 496896), (480, 460664), (534, 414080), (640, 345498), (647, 341760), (712, 310560), (768, 287915), (890, 248448), (960, 230332), (1068, 207040), (1280, 172749), (1294, 170880), (1335, 165632), (1424, 155280), (1780, 124224), (1920, 115166), (1941, 113920), (2136, 103520), (2588, 85440), (2670, 82816), (2848, 77640), (3235, 68352), (3560, 62112), (3840, 57583), (3882, 56960), (4272, 51760), (5176, 42720), (5340, 41408), (5696, 38820), (6470, 34176), (7120, 31056), (7764, 28480), (8544, 25880), (9705, 22784), (10352, 21360), (10680, 20704), (11392, 19410), (12940, 17088), (14240, 15528)]