65552640

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:464

約数の個数: 144

約数和(自身を含む): 214767168

約数和(自身を除く): 149214528

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 64, 80, 86, 96, 120, 128, 129, 160, 172, 192, 215, 240, 256, 258, 320, 344, 384, 397, 430, 480, 516, 640, 645, 688, 768, 794, 860, 960, 1032, 1191, 1280, 1290, 1376, 1588, 1720, 1920, 1985, 2064, 2382, 2580, 2752, 3176, 3440, 3840, 3970, 4128, 4764, 5160, 5504, 5955, 6352, 6880, 7940, 8256, 9528, 10320, 11008, 11910, 12704, 13760, 15880, 16512, 17071, 19056, 20640, 23820, 25408, 27520, 31760, 33024, 34142, 38112, 41280, 47640, 50816, 51213, 55040, 63520, 68284, 76224, 82560, 85355, 95280, 101632, 102426, 127040, 136568, 152448, 165120, 170710, 190560, 204852, 254080, 256065, 273136, 304896, 341420, 381120, 409704, 508160, 512130, 546272, 682840, 762240, 819408, 1024260, 1092544, 1365680, 1524480, 1638816, 2048520, 2185088, 2731360, 3277632, 4097040, 4370176, 5462720, 6555264, 8194080, 10925440, 13110528, 16388160, 21850880, 32776320, 65552640]

約数ペア:

[(1, 65552640), (2, 32776320), (3, 21850880), (4, 16388160), (5, 13110528), (6, 10925440), (8, 8194080), (10, 6555264), (12, 5462720), (15, 4370176), (16, 4097040), (20, 3277632), (24, 2731360), (30, 2185088), (32, 2048520), (40, 1638816), (43, 1524480), (48, 1365680), (60, 1092544), (64, 1024260), (80, 819408), (86, 762240), (96, 682840), (120, 546272), (128, 512130), (129, 508160), (160, 409704), (172, 381120), (192, 341420), (215, 304896), (240, 273136), (256, 256065), (258, 254080), (320, 204852), (344, 190560), (384, 170710), (397, 165120), (430, 152448), (480, 136568), (516, 127040), (640, 102426), (645, 101632), (688, 95280), (768, 85355), (794, 82560), (860, 76224), (960, 68284), (1032, 63520), (1191, 55040), (1280, 51213), (1290, 50816), (1376, 47640), (1588, 41280), (1720, 38112), (1920, 34142), (1985, 33024), (2064, 31760), (2382, 27520), (2580, 25408), (2752, 23820), (3176, 20640), (3440, 19056), (3840, 17071), (3970, 16512), (4128, 15880), (4764, 13760), (5160, 12704), (5504, 11910), (5955, 11008), (6352, 10320), (6880, 9528), (7940, 8256)]