51261282560

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67993}}^1$

素因数の和:68064

約数の個数: 144

約数和(自身を含む): 133420546560

約数和(自身を除く): 82159264000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 128, 152, 155, 160, 190, 248, 256, 304, 310, 320, 380, 496, 589, 608, 620, 640, 760, 992, 1178, 1216, 1240, 1280, 1520, 1984, 2356, 2432, 2480, 2945, 3040, 3968, 4712, 4864, 4960, 5890, 6080, 7936, 9424, 9920, 11780, 12160, 18848, 19840, 23560, 24320, 37696, 39680, 47120, 67993, 75392, 94240, 135986, 150784, 188480, 271972, 339965, 376960, 543944, 679930, 753920, 1087888, 1291867, 1359860, 2107783, 2175776, 2583734, 2719720, 4215566, 4351552, 5167468, 5439440, 6459335, 8431132, 8703104, 10334936, 10538915, 10878880, 12918670, 16862264, 17406208, 20669872, 21077830, 21757760, 25837340, 33724528, 40047877, 41339744, 42155660, 43515520, 51674680, 67449056, 80095754, 82679488, 84311320, 87031040, 103349360, 134898112, 160191508, 165358976, 168622640, 200239385, 206698720, 269796224, 320383016, 330717952, 337245280, 400478770, 413397440, 539592448, 640766032, 674490560, 800957540, 826794880, 1281532064, 1348981120, 1601915080, 1653589760, 2563064128, 2697962240, 3203830160, 5126128256, 6407660320, 10252256512, 12815320640, 25630641280, 51261282560]

約数ペア:

[(1, 51261282560), (2, 25630641280), (4, 12815320640), (5, 10252256512), (8, 6407660320), (10, 5126128256), (16, 3203830160), (19, 2697962240), (20, 2563064128), (31, 1653589760), (32, 1601915080), (38, 1348981120), (40, 1281532064), (62, 826794880), (64, 800957540), (76, 674490560), (80, 640766032), (95, 539592448), (124, 413397440), (128, 400478770), (152, 337245280), (155, 330717952), (160, 320383016), (190, 269796224), (248, 206698720), (256, 200239385), (304, 168622640), (310, 165358976), (320, 160191508), (380, 134898112), (496, 103349360), (589, 87031040), (608, 84311320), (620, 82679488), (640, 80095754), (760, 67449056), (992, 51674680), (1178, 43515520), (1216, 42155660), (1240, 41339744), (1280, 40047877), (1520, 33724528), (1984, 25837340), (2356, 21757760), (2432, 21077830), (2480, 20669872), (2945, 17406208), (3040, 16862264), (3968, 12918670), (4712, 10878880), (4864, 10538915), (4960, 10334936), (5890, 8703104), (6080, 8431132), (7936, 6459335), (9424, 5439440), (9920, 5167468), (11780, 4351552), (12160, 4215566), (18848, 2719720), (19840, 2583734), (23560, 2175776), (24320, 2107783), (37696, 1359860), (39680, 1291867), (47120, 1087888), (67993, 753920), (75392, 679930), (94240, 543944), (135986, 376960), (150784, 339965), (188480, 271972)]